Write a program to print Hello World!.
Solution:
#include<stdio.h>
int main() {
printf("Hello,world!");
return 0;
}Write a program to compute the perimeter and area of a rectangle.
Solution:
#include<stdio.h>
int main() {
int height = 8;
int width = 5;
int perimeter = 2*(height + width);
printf("Perimeter of the rectangle is: %d cm\n", perimeter);
int area = height * width;
printf("Area of the rectangle is: %d square cm\n", area);
return 0;
}Write a program to compute the perimeter and area of a circle.
Solution:
#include<stdio.h>
int main() {
int radius = 4;
float perimeter = 2*3.14*radius;
printf("Perimeter of the circle is: %f cm\n", perimeter);
float area = 3.14*radius*radius;
printf("Area of the circle is: %f square cm\n", area);
return 0;
}Write a program that accepts two numbers from the user and calculate the sum of the two numbers.
Solution:
#include<stdio.h>
int main() {
int a, b, sum;
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d", &b);
sum = a + b;
printf("\nSum of the above two numbers is: %d", sum);
return 0;
}Write a program that accepts two numbers from the user and calculate the product of the two numbers.
Solution:
#include<stdio.h>
int main() {
int a, b, mult;
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d", &b);
mult = a * b;
printf("\nProduct of the above two numbers is: %d", mult);
return 0;
}Write a program that accepts three numbers and find the largest of three.
Solution:
#include<stdio.h>
int main() {
int x, y, z;
printf("\nEnter the first number: ");
scanf("%d", &x);
printf("\nEnter the second number: ");
scanf("%d", &y);
printf("\nEnter the third number: ");
scanf("%d", &z);
// if x is greater than both y and z, x is the largest
if (x >= y && x >= z)
printf("\n%d is the largest number.", x);
// if y is greater than both x and z, y is the largest
if (y >= x && y >= z)
printf("\n%d is the largest number.", y);
// if z is greater than both x and y, z is the largest
if (z >= x && z >= y)
printf("\n%d is the largest number.", z);
return 0;
}Write a program that reads three floating values and check if it is possible to make a triangle with them. Also calculate the perimeter of the triangle if the entered values are valid.
Solution:
#include<stdio.h>
int main() {
float x, y, z;
printf("\nEnter the first number: ");
scanf("%f", &x);
printf("\nEnter the second number: ");
scanf("%f", &y);
printf("\nEnter the third number: ");
scanf("%f", &z);
if(x < (y+z) && y < (x+z) && z < (y+x)) {
printf("\nPerimeter of the triangle is: %f\n", x+y+z);
}
else {
printf("\nIt is impossible to form a triangle.");
}
return 0;
}Write a program that reads an integer between 1 and 7 and print the day of the week in English.
Solution:
#include<stdio.h>
int main() {
int day;
printf("\nEnter a number between 1 to 7 to get the day name: ");
scanf("%d", &day);
switch(day) {
case 1 : printf("Monday\n"); break;
case 2 : printf("Tuesday\n"); break;
case 3 : printf("Wednesday\n"); break;
case 4 : printf("Thursday\n"); break;
case 5 : printf("Friday\n"); break;
case 6 : printf("Saturday\n"); break;
case 7 : printf("Sunday\n"); break;
default : printf("Enter a number between 1 to 7.");
}
return 0;
}Write a program to find the sum of two numbers.
Solution:
#include<stdio.h>
int main() {
int a, b, sum;
a=1;
b=2;
sum = a + b;
printf("The sum of a and b = %d", sum);
return 0;
}Write a program to find the square of a number.
Solution:
#include<stdio.h>
#include<math.h>
int main() {
int a, b;
a=2;
b = pow((a), 2);
printf("The square of a = %d", b);
return 0;
}Write a program to find the greatest of two numbers.
Solution:
#include<stdio.h>
int main() {
int a, b;
a = 2;
b = 3;
if(a>b) {
printf("a is greater than b");
}
else {
printf("b is greater than a");
}
return 0;
}Write a program to print the average of the elements in the array.
Solution:
#include<stdio.h>
int main() {
int i, avg, sum = 0;
int num [5] = {16, 18, 20, 25, 36};
for(i=0; i<5; i++) {
sum = sum + num [i];
avg = sum/5;
}
printf("Sum of the Elements in the array is: %d\n", sum);
printf("Average of the elements in the array is: %d\n", avg);
return 0;
}Write a program that prints all even numbers between 1 and 25.
Solution:
#include<stdio.h>
int main() {
printf("Even numbers between 1 to 25:\n");
for(int i = 1; i <= 25; i++) {
if(i%2 == 0) {
printf("%d ", i);
}
}
return 0;
}Write a program that prints all odd numbers between 1 and 50.
Solution:
#include<stdio.h>
int main() {
printf("Odd numbers between 1 to 50:\n");
for(int i = 1; i <= 50; i++) {
if(i%2 != 0) {
printf("%d ", i);
}
}
return 0;
}Write a program to print the first 10 numbers starting from one together with their squares and cubes.
Solution:
#include<stdio.h>
int main() {
for(int i=1; i<=10; i++) {
printf("Number = %d its square = %d its cube = %d\n", i , i*i, i*i*i);
}
return 0;
} Write a program:
If you enter a character M
Output must be: ch = M.
Solution:
#include<stdio.h>
int main() {
char M;
printf("Enter any character: ");
scanf("%c", &M);
printf("ch = %c", M);
return 0;
} Write a program to print the multiplication table of a number entered by the user.
Solution:
#include<stdio.h>
int main() {
int n, i;
printf("Enter any number: ");
scanf("%d", &n);
for(i=1; i<=5; i++) {
printf("%d * %d = %d\n", n, i, n*i);
}
return 0;
}Write a program to print the product of the first 10 digits.
Solution:
#include<stdio.h>
int main() {
int i, product = 1;
for(i=1; i<=10; i++) {
product = product * i;
}
printf("The product of the first 10 digits is: %d", product);
return 0;
}Write a program to print whether the given number is positive or negative.
Solution:
#include<stdio.h>
int main() {
int a;
a = -35;
if(a>0) {
printf("Number is positive");
}
else {
printf("Number is negative");
}
return 0;
}Write a program to check the equivalence of two numbers entered by the user.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("\nEnter the first number: ");
scanf ("%d", &x);
printf("\nEnter the second number: ");
scanf ("%d", &y);
if(x-y==0) {
printf("\nThe two numbers are equivalent");
}
else {
printf("\nThe two numbers are not equivalent");
}
return 0;
}Write a program to print the remainder of two numbers entered by the user.
Solution:
#include<stdio.h>
int main() {
int a, b, c;
printf("\nEnter the first number: ");
scanf ("%d", &a);
printf("\nEnter the second number: ");
scanf ("%d", &b);
c = a%b;
printf("\n The remainder of %d and %d is: %d", a, b, c);
return 0;
}Write a program to print the characters from A to Z.
Solution:
#include<stdio.h>
int main() {
char i;
for(i='A'; i<='Z'; i++) {
printf("%c\n", i);
}
return 0;
}Write a program to print the length of the entered string.
Solution:
#include<stdio.h>
#include<string.h>
int main() {
char str[1000];
printf("Enter a string to calculate its length: ");
scanf("%s", str);
printf("The length of the entered string is: %ld", strlen(str));
return 0;
}Write a program to check whether the given character is a lower case letter or not.
Solution:
#include<stdio.h>
#include <ctype.h>
int main() {
char ch = 'a';
if(islower(ch)) {
printf("The given character is a lower case letter");
}
else {
printf("The given character is a upper case letter");
}
return 0;
}Write a program to check whether the given character is a upper case letter or not.
Solution:
#include<stdio.h>
#include <ctype.h>
int main() {
char ch = 'A';
if(isupper(ch)) {
printf("The given character is a upper case letter");
}
else {
printf("The given character is a lower case letter");
}
return 0;
}Write a program to convert the lower case letter to upper case letter.
Solution:
#include<stdio.h>
#include <ctype.h>
int main() {
char ch = 'a';
char b = toupper(ch);
printf("Lower case letter '%c' is converted to Upper case letter '%c'", ch, b);
return 0;
}Write a program that takes a distance in centimeters and outputs the corresponding value in inches.
Solution:
#include<stdio.h>
#define x 2.54
int main() {
double inch, cm;
printf("Enter the distance in cm: ");
scanf("%lf", &cm);
inch = cm / x;
printf("\nDistance of %0.2lf cms is equal to %0.2lf inches", cm, inch);
return 0;
}Write a program to print the output:
Einstein [0] = E
Einstein [1] = I
Einstein [2] = N
Einstein [3] = S
Einstein [4] = T
Einstein [5] = E
Einstein [6] = I
Einstein [7] = N
Solution:
#include<stdio.h>
int main() {
char name [8] = {'E' , 'I', 'N', 'S', 'T', 'E', 'I', 'N'};
for(int i=0; i<8; i++) {
printf("\nEinstein [%d] = %c", i, name[i]);
}
return 0;
}Write a program to print "Hello World" 10 times.
Solution:
#include<stdio.h>
int main() {
for(int i=1; i<=10; i++) {
printf("Hello World \n");
}
return 0;
}Write a program to print first 5 numbers using do while loop statement.
Solution:
#include<stdio.h>
int main() {
int i =1;
do {
printf("%d\n", i++);
} while(i<=5);
return 0;
}Write a program to check whether a character is an alphabet or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
int a =2;
if(isalpha(a)) {
printf("The character a is an alphabet");
}
else {
printf("The character a is not an alphabet");
}
return 0;
}Write a program to check whether a entered number is even or odd.
Solution:
#include<stdio.h>
int main() {
int a;
printf("Enter any number: ");
scanf ("%d", &a);
if(a%2 == 0) {
printf("The entered number is even");
}
else {
printf("The entered number is odd");
}
return 0;
}Write a program to print the ASCII value of the given character.
Solution:
#include<stdio.h>
int main() {
char ch ='A';
printf("The ASCII value of %c is: %d", ch, ch);
return 0;
}Write a program that will print all numbers between 1 to 50 which divided by a specified number and the remainder will be 2.
Solution:
#include<stdio.h>
int main() {
int x, i;
printf("Enter a number: ");
scanf("%d", &x);
for(i=1; i<=50; i++) {
if((i%x)==2) {
printf("%d\n", i);
}
}
return 0;
}Write a program to determine whether two numbers in a pair are in ascending or descending order.
Solution:
#include<stdio.h>
int main() {
int a, b;
printf("\nEnter a pair of numbers (for example 22,12 | 12,22): ");
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d", &b);
if (a>b) {
printf("\nThe two numbers in a pair are in descending order.");
}
else {
printf("\nThe two numbers in a pair are in ascending order.");
}
return 0;
} Write a program that reads two numbers and divides one by the other. Specify "Division not possible" if that is not possible.
Solution:
#include<stdio.h>
int main() {
int a, b;
float c;
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d", &b);
if(b != 0) {
c = (float)a/(float)b;
printf("\n%d/%d = %.1f", a, b, c);
}
else {
printf("\nDivision not possible.\n");
}
return 0;
}Write a program that will print all numbers between 1 to 50 which divided by a specified number and the remainder is equal to 2 or 3.
Solution:
#include<stdio.h>
int main() {
int x, i;
printf("Enter a number: ");
scanf("%d", &x);
for(i=1; i<=50; i++) {
if((i%x)==2 || (i%x) == 3) {
printf("%d\n", i);
}
}
return 0;
}Write a program that adds up all numbers between 1 and 100 that are not divisible by 12.
Solution:
#include<stdio.h>
int main() {
int x =12, i, sum = 0;
for(i=1; i<=100; i++) {
if((i%x)!= 0) {
sum += i;
}
}
printf("\nSum: %d\n", sum);
return 0;
}Write a program to calculate the value of x where x = 1 + 1/2 + 1/3 + … + 1/50.
Solution:
#include<stdio.h>
int main() {
float x = 0;
for(int i=1; i<=50; i++) {
x += (float)1/i;
}
printf("Value of x: %.2f\n", x);
return 0;
}Write a program that reads a number and find all its divisor.
Solution:
#include<stdio.h>
int main() {
int x, i;
printf("\nEnter a number: ");
scanf("%d", &x);
printf("All the divisor of %d are: ", x);
for(i = 1; i <= x; i++) {
if((x%i) == 0) {
printf("\n%d", i);
}
}
return 0;
}Write a program to find the incremented and decremented values of two numbers.
Solution:
#include<stdio.h>
int main() {
int a, b, c, d, e, f;
a = 10;
b=12;
c=a+1;
d=b+1;
e=a-1;
f=b-1;
printf("The incremented value of a =%d", c);
printf("The incremented value of b =%d", d);
printf("The decremented value of a =%d", e);
printf("The decremented value of b =%d", f);
return 0;
}Write a program to find square of a entered number using functions.
Solution:
#include<stdio.h>
int square();
int main() {
int answer;
answer = square();
printf("The square of the entered number is: %d", answer);
return(0);
}
int square() {
int x;
printf("Enter any number: ");
scanf("%d", &x);
return x*x;
}Write a program that accepts principal amount, rate of interest, time and compute the simple interest.
Solution:
#include<stdio.h>
int main() {
int p,r,t,SI;
printf("\nEnter the principal amount: ");
scanf("%d",&p);
printf("\nEnter the rate of interest: ");
scanf("%d",&r);
printf("\nEnter the time: ");
scanf("%d",&t);
SI=(p*r*t)/100;
printf("\nSimple interest is: %d", SI);
return 0;
}Write a program that swaps two numbers without using third variable.
Solution:
#include<stdio.h>
int main() {
int a, b;
printf("\nEnter the value for a: ");
scanf("%d",&a);
printf("\nEnter the value for b: ");
scanf("%d",&b);
printf("\nBefore swapping: %d %d",a,b);
a=a+b;
b=a-b;
a=a-b;
printf("\nAfter swapping: %d %d",a,b);
return 0;
}Write a program to find the greatest of two entered numbers using pointers.
Solution:
#include<stdio.h>
int main() {
int x, y, *p, *q;
printf("Enter the value for x: ");
scanf("%d", &x);
printf("Enter the value for y: ");
scanf("%d", &y);
p = &x;
q = &y;
if(*p>*q) {
printf("x is greater than y");
}
if(*q>*p) {
printf("y is greater than x");
}
return 0;
}Write a program to print the output:
body [b] = b
body [o] = o
body [d] = d
body [y] = y
Solution:
#include <stdio.h>
int main() {
char i;
char body [4] = {'b', 'o', 'd', 'y'};
for(i=0; i<4; i++)
printf("\n body[%c] = %c", body[i] , body[i]);
return 0;
}Write a program to calculate the discounted price and the total price after discount
Given:
If purchase value is greater than 1000, 10% discount
If purchase value is greater than 5000, 20% discount
If purchase value is greater than 10000, 30% discount.
Solution:
#include<stdio.h>
int main() {
double PV;
printf("Enter purchased value: ");
scanf("%lf", &PV);
if(PV>1000) {
printf("\n Discount = %lf", PV* 0.1);
printf("\n Total = %lf", PV - PV* 0.1);
}
else if(PV>5000) {
printf("\n Discount = %lf", PV* 0.2);
printf("\n Total = %lf", PV - PV* 0.2);
}
else {
printf("\n Discount = %lf", PV* 0.3);
printf("\n Total = %lf", PV - PV* 0.3);
}
return 0;
}Write a program to print the first ten natural numbers using while loop statement.
Solution:
#include<stdio.h>
int main() {
int i = 1;
while (i<=10) {
printf("%d\n", i++);
}
return 0;
}Write a program to shift inputted data by two bits to the left.
Solution:
#include<stdio.h>
int main() {
int x;
printf("Enter the integer from keyboard: ");
scanf("%d",&x);
printf("\nEntered value: %d ",x);
printf("\nThe left shifted data is: %d ", x<<=2);
return 0;
}Write a program to shift inputted data by two bits to the Right.
Solution:
#include<stdio.h>
int main() {
int x;
printf("Enter the integer from keyboard: ");
scanf("%d",&x);
printf("\nEntered value: %d ",x);
printf("\nThe right shifted data is: %d ", x>>=2);
return 0;
}Write a program to calculate the exact difference between x and 21. Return three times the absolute difference if x is greater than 21.
Solution:
#include<stdlib.h>
#include<stdio.h>
int main() {
int x;
printf("Enter the value for x: ");
scanf("%d",&x);
if(x<=21){
printf("%d",abs(x-21));
}
else if(x>=21) {
printf("%d",abs(x-21)*3);
}
return 0;
}Write a program that reads in two numbers and determine whether the first number is a multiple of the second number.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("\nEnter the first number: ");
scanf("%d", &x);
printf("\nEnter the second number: ");
scanf("%d", &y);
if(x % y == 0) {
printf("\n%d is a multiple of %d.\n", x, y);
}
else {
printf("\n%d is not a multiple of %d.\n", x, y);
}
return 0;
}Write a program to print the output:
Name of the book = B
Price of the book = 135.00
Number of pages = 300
Edition of the book = 8
using structures.
Solution:
#include<stdio.h>
int main() {
struct book {
char name;
float price;
int pages;
int edition;
};
struct book b1;
b1.name = 'B';
b1.price = 135.00;
b1.pages = 300;
b1.edition = 8;
printf("\n Name of the book = %c", b1.name);
printf("\n Price of the book = %f", b1.price);
printf("\n Number of pages = %d", b1.pages);
printf("\n Edition of the book = %d", b1.edition);
return 0;
}Write a program to convert Celsius into Fahrenheit.
Solution:
#include<stdio.h>
int main() {
float fahrenheit, celsius;
celsius = 36;
fahrenheit = ((celsius*9)/5)+32;
printf("\nTemperature in fahrenheit is: %f",fahrenheit);
return 0;
} Write a program that will examine two inputted integers and return true if either of them is 50 or if their sum is 50.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
if(x == 50 || y == 50 || (x + y == 50)) {
printf("\nTrue");
}
else {
printf("\nFalse");
}
return 0;
}Write a program that counts the even, odd, positive, and negative values among eighteen integer inputs.
Solution:
#include<stdio.h>
int main () {
int x, even = 0, odd = 0, positive = 0, negative = 0;
printf("\nPlease enter 18 numbers:\n");
for(int i = 0; i < 18; i++) {
scanf("%d", &x);
if (x > 0) {
positive++;
}
if(x < 0) {
negative++;
}
if(x % 2 == 0) {
even++;
}
if(x % 2 != 0) {
odd++;
}
}
printf("\nNumber of even values: %d", even);
printf("\nNumber of odd values: %d", odd);
printf("\nNumber of positive values: %d", positive);
printf("\nNumber of negative values: %d", negative);
return 0;
}Write a program to check whether the person is a senior citizen or not.
Solution:
#include<stdio.h>
int main() {
int age;
printf("Enter age: ");
scanf("%d", &age);
if(age>=60) {
printf("Senior citizen");
}
else {
printf("Not a senior citizen");
}
return 0;
}Write a program that reads a student's three subject scores (0-100) and computes the average of those scores.
Solution:
#include<stdio.h>
int main() {
float score, total_score = 0;
int subject = 0;
printf("Enter three subject scores (0-100):\n");
while (subject != 3) {
scanf("%f", &score);
if(score < 0 || score > 100) {
printf("Please enter a valid score.\n");
}
else {
total_score += score;
subject++;
}
}
printf("Average score = %.2f\n", total_score/3);
return 0;
} What results would the following programs produce?
#include<stdio.h>
int main() {
for(int i=1; i<=5; i++) {
if(i==3) {
break;
}
printf("%d\n", i);
}
return 0;
}Solution:
1
2#include<stdio.h>
int main() {
for(int i=1;i<=5;i++) {
if(i==3) {
goto HAI;
}
printf("\n %d ",i);
}
HAI : printf("\n Linux");
}Solution:
1
2
Linux#include<stdio.h>
int main() {
for( ; ; ) {
printf("This loop will run forever.\n");
}
return 0;
}Solution:
This loop will run forever.
This loop will run forever.
This loop will run forever.
This loop will run forever.
This loop will run forever.
This loop will run forever. ......... #include<stdio.h>
int main() {
printf("Hello,world!");
return 0;
printf("Hello,world!");
}Solution:
Hello,world! #include<stdio.h>
#include<stdlib.h>
int main () {
printf("linux\n");
exit (0);
printf("php\n");
return 0;
}Solution:
linux#include<stdio.h>
int main() {
for(int i=1; i<=5; i++) {
if(i==3) {
continue;
}
printf("%d\n ", i);
}
return 0;
}Solution:
1
2
4
5#include<stdio.h>
int main() {
int a = 10, b = 20, c;
c = (a < b) ? a : b;
printf("%d", c);
return 0;
}Solution:
10#include<stdio.h>
#define A 15
int main() {
int x;
x=A;
printf("%d", x);
return 0;
}Solution:
15#include<stdio.h>
#include<stdlib.h>
int main() {
int i;
for(i=1; i <= 3; i++) {
printf((i&1) ? "odd\n" : "even\n");
}
exit(EXIT_SUCCESS);
}Solution:
odd
even
odd#include<stdio.h>
#include<math.h>
int main() {
double a, b;
a = -2.5;
b = fabs(a);
printf("|%.2lf| = %.2lf\n", a, b);
return 0;
}Solution:
|-2.50| = 2.50#include<stdio.h>
#include<stdlib.h>
int main() {
int x=12, y =3;
printf("%d\n", abs(-x-y));
return 0;
}Solution:
15#include<stdio.h>
#include<stdlib.h>
int main() {
int x=12, y =3;
printf("%d\n", -(-x-y));
return 0;
}Solution:
15#include<stdio.h>
#include<stdlib.h>
int main() {
int x=12, y =3;
printf("%d\n", x-(-y));
return 0;
}Solution:
15Write a program to find the size of an array.
Solution:
#include<stdio.h>
int main() {
int num [] = {11, 22, 33, 44, 55, 66};
int n = sizeof(num) / sizeof(num [0]);
printf("Size of the array is: %d\n", n);
return 0;
}Write a program that prints a sequence from 1 to a given integer, inserts a plus sign between these numbers, and then removes the plus sign at the end of the sequence.
Solution:
#include<stdio.h>
int main () {
int x, i;
printf("\nEnter a integer: \n");
scanf("%d", &x);
if(x>0) {
printf("Sequence from 1 to %d:\n", x);
for(i=1; i<x; i++) {
printf("%d+", i);
}
printf("%d\n", i);
}
return 0;
}Write a program to verify whether a triangle's three sides form a right angled triangle or not.
Solution:
#include<stdio.h>
int main() {
int a,b,c;
printf("Enter the three sides of a triangle: \n");
scanf("%d %d %d",&a,&b,&c);
if((a*a)+(b*b)==(c*c) || (a*a)+(c*c)==(b*b) || (b*b)+(c*c)==(a*a)) {
printf("Triangle's three sides form a right angled triangle.\n");
}
else {
printf("Triangle's three sides does not form a right angled triangle.\n");
}
return 0;
}Write a program that will find the second-largest number among the user's input of three numbers.
Solution:
#include<stdio.h>
int main() {
int a, b, c;
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d", &b);
printf("\nEnter the third number: ");
scanf("%d", &c);
if(a>b && a>c) {
if(b>c)
printf("\n%d is second largest number among three numbers", b);
else
printf("\n%d is second largest number among three numbers", c);
}
else if(b>c && b>a) {
if(c>a)
printf("\n%d is second largest number among three numbers", c);
else
printf("\n%d is second largest number among three numbers", a);
}
else if(a>b)
printf("\n%d is second largest number among three numbers", a);
else
printf("\n%d is second largest number among three numbers", b);
return 0;
}Write a program to calculate the sum of the two given integer values. Return three times the sum of the two values if they are equal.
Solution:
#include<stdio.h>
int myfunc();
int main() {
printf("%d", myfunc(3, 5));
printf("\n%d", myfunc(6, 6));
return 0;
}
int myfunc(int a, int b) {
return a == b ? (a + b)*3 : a + b;
}Write a program that accepts minutes as input, and display the total number of hours and minutes.
Solution:
#include<stdio.h>
int main() {
int mins, hrs;
printf("Input minutes: ");
scanf("%d",&mins);
hrs=mins/60;
mins=mins%60;
printf("\n%d Hours, %d Minutes.\n", hrs, mins);
return 0;
}Write a program to determine whether a positive number entered by the user is a multiple of three or five.
Solution:
#include<stdio.h>
int main() {
int x;
printf("\nEnter a number: ");
scanf("%d", &x);
if(x % 3 == 0 || x % 5 == 0) {
printf("True");
}
else {
printf("False");
}
return 0;
}
Write a program to verify whether one of the two entered integers falls within the range of 100 to 200 included.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
if((x >= 100 && x <= 200) || (y >= 100 && y <= 200)) {
printf("True");
}
else {
printf("False");
}
return 0;
}
Write a program to determine which of the two given integers is closest to the value 100. If the two numbers are equal, return 0.
Solution:
#include<stdio.h>
#include<stdlib.h>
int myfunc();
int main() {
printf("%d", myfunc(86, 99));
printf("\n%d", myfunc(55, 55));
printf("\n%d", myfunc(65, 80));
return 0;
}
int myfunc(int a, int b) {
int x = abs(a - 100);
int y = abs(b - 100);
return x == y ? 0 : (x < y ? a : b);
}Write a program to determine whether a positive number entered by the user is a multiple of three or five, but not both.
Solution:
#include<stdio.h>
int main() {
int x;
printf("\nEnter a number: ");
scanf("%d", &x);
if(x % 3 == 0 ^ x % 5 == 0) {
printf("True");
}
else {
printf("False");
}
return 0;
}
Write a program to determine whether two entered non-negative numbers have the same last digit.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int x, y;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
if(abs(x % 10) == abs(y % 10)) {
printf("True");
}
else {
printf("False");
}
return 0;
}
Write a program to determine whether a given non-negative number is a multiple of 12 or it is one more than a multiple of 12.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int x = 43;
if(x % 12 == 0 || x % 12 == 1) {
printf("True");
}
else {
printf("False");
}
return 0;
} Write a program that accepts two integers and returns true when one of them equals 6, or when their sum or difference equals 6.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int x, y;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
if(x == 6 || y == 6 || x + y == 6 || abs(x - y) == 6) {
printf("True");
}
else {
printf("False");
}
return 0;
} Write a program to check whether it is possible to add two integers to get the third integer from three entered integers.
Solution:
#include<stdio.h>
int main() {
int x, y, z;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
printf("\nEnter the value for z: ");
scanf("%d", &z);
if(x == y + z || y == x + z || z == x + y) {
printf("True");
}
else {
printf("False");
}
return 0;
}
Write a program that converts kilometers per hour to miles per hour.
Solution:
#include<stdio.h>
int main() {
float kmph;
printf("Enter kilometers per hour: ");
scanf("%f", &kmph);
printf("\n%f miles per hour", (kmph * 0.6213712));
return 0;
} Write a program to calculate area of an ellipse.
Solution:
#include<stdio.h>
#define PI 3.141592
int main() {
float major, minor;
printf("\nEnter length of major axis: ");
scanf("%f", &major);
printf("\nEnter length of minor axis: ");
scanf("%f", &minor);
printf("\nArea of an ellipse = %0.4f", (PI * major * minor));
return 0;
}Write a program to calculate the sum of three given integers. Return the third value if the first two values are equal.
Solution:
#include<stdio.h>
int myfunc();
int main() {
printf("\n%d", myfunc(11, 11, 11));
printf("\n%d", myfunc(11, 11, 16));
printf("\n%d", myfunc(18, 15, 10));
return 0;
}
int myfunc(int a, int b, int c) {
if (a == b && b == c) return 0;
if (a == b) return c;
if (a == c) return b;
if (b == c) return a;
else return a + b + c;
}Write a program to convert bytes to kilobytes.
Solution:
#include<stdio.h>
int main() {
int bytes;
printf("\nEnter number of bytes: ");
scanf("%d",&bytes);
printf("\nKilobytes: %.2lf", (bytes/1024));
return 0;
}Write a program to convert megabytes to kilobytes.
Solution:
#include<stdio.h>
int main() {
double megabytes, kilobytes;
printf("\nInput the amount of megabytes to convert: ");
scanf("%lf",&megabytes);
kilobytes = megabytes * 1024;
printf("\nThere are %lf kilobytes in %lf megabytes.", kilobytes, megabytes);
return 0;
}Write a program to count the number of even elements in an integer array.
Solution:
#include<stdio.h>
int main() {
int array[1000], i, arr_size, even=0;
printf("Input the size of the array: ");
scanf("%d", &arr_size);
printf("Enter the elements in array: \n");
for(i=0; i<arr_size; i++) {
scanf("%d",&array[i]);
}
for(i=0; i<arr_size; i++) {
if(array[i]%2==0) {
even++;
}
}
printf("Number of even elements: %d", even);
return 0;
}Write a program to count the number of odd elements in an integer array.
Solution:
#include<stdio.h>
int main() {
int array[1000], i, arr_size, odd=0;
printf("Input the size of the array: ");
scanf("%d", &arr_size);
printf("Enter the elements in array: \n");
for(i=0; i<arr_size; i++) {
scanf("%d",&array[i]);
}
for(i=0; i<arr_size; i++) {
if(array[i]%2!=0) {
odd++;
}
}
printf("Number of odd elements: %d", odd);
return 0;
}Write a program that will accept two integers and determine whether or not they are equal.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("Input the values for x and y: \n");
scanf("%d %d", &x, &y);
if(x == y) {
printf("x and y are equal\n");
}
else {
printf("x and y are not equal\n");
}
return 0;
}Write a program to find the third angle of a triangle if two angles are given.
Solution:
#include<stdio.h>
int main() {
int angle1, angle2;
printf("\nEnter the first angle of the triangle: ");
scanf("%d", &angle1);
printf("\nEnter the second angle of the triangle: ");
scanf("%d", &angle2);
printf("\nThird angle of the triangle is: %d", (180 - (angle1 + angle2)));
return 0;
} Write a program to determine whether a particular year is a leap year or not.
Solution:
#include<stdio.h>
int main() {
int year;
printf("Enter the year: ");
scanf("%d", &year);
if((year % 400) == 0) {
printf("\n%d is a leap year.", year);
}
else if((year % 100) == 0) {
printf("\n%d is a not leap year.", year);
}
else if((year % 4) == 0) {
printf("\n%d is a leap year.", year);
}
else {
printf("\n%d is not a leap year.", year);
}
return 0;
}Write a program that reads the candidate's age and determine a candidate's eligibility to cast his own vote.
Solution:
#include<stdio.h>
int main() {
int age;
printf("\nEnter the age of the candidate: ");
scanf("%d",&age);
if(age<18) {
printf("\nWe apologize, but the candidate is not able to cast his vote.");
printf("\nAfter %d year, the candidate would be able to cast his vote.", (18-age));
}
else {
printf("Congratulation! the candidate is qualified to cast his vote.\n");
}
return 0;
}Write a program to Convert Yard to Foot.
Solution:
#include<stdio.h>
int main() {
float yard;
printf("\nEnter the Length in Yard : ");
scanf("%f", &yard);
printf("\n%f Yard in Foot is: %f", yard, (3*yard));
return 0;
}Write a program to convert gigabytes to megabytes.
Solution:
#include<stdio.h>
int main() {
double gigabytes, megabytes;
printf("\nInput the amount of gigabytes to convert: ");
scanf("%lf", &gigabytes);
megabytes = gigabytes*1024;
printf("\nThere are %lf megabytes in %lf gigabytes.", megabytes, gigabytes);
return 0;
}Write a program to Convert Kilogram to Pounds.
Solution:
#include<stdio.h>
int main() {
float kg, lbs;
printf("\nEnter Weight in Kilogram: ");
scanf("%f", &kg);
lbs = kg*2.20462;
printf("\n%f Kg = %f Pounds", kg, lbs);
return 0;
}Write a program to Convert Kilogram to Ounce.
Solution:
#include<stdio.h>
int main() {
float kg, ounce;
printf("\nEnter Weight in Kilogram: ");
scanf("%f", &kg);
ounce = kg*35.274;
printf("\n%f Kg = %f Ounce", kg, ounce);
return 0;
}Write a program to Convert Pounds to Grams.
Solution:
#include<stdio.h>
int main() {
float pound, gram;
printf("\nEnter Weight in Pounds: ");
scanf("%f", £);
gram = pound*453.592;
printf("\n%f Pound = %f Grams", pound, gram);
return 0;
}Write a program to verify whether a triangle is valid or not using angles.
Solution:
#include<stdio.h>
int main() {
int angle1, angle2, angle3, sum;
printf("\nEnter the first angle of the triangle: ");
scanf("%d", &angle1);
printf("\nEnter the second angle of the triangle: ");
scanf("%d", &angle2);
printf("\nEnter the third angle of the triangle: ");
scanf("%d", &angle3);
sum = angle1 + angle2 + angle3;
if(sum == 180) {
printf("\nThe triangle is valid.");
}
else {
printf("\nThe triangle is not valid.");
}
return 0;
} Write a program to add the digits of a two-digit number that is entered by the user.
Solution:
#include<stdio.h>
int main() {
int x, y, sum = 0;
printf("\nEnter a two-digit number: ");
scanf("%d", &x);
y = x;
while(y != 0) {
sum = sum + y % 10;
y = y / 10;
}
printf("\nSum of digits of %d is: %d", x, sum);
return 0;
}Write a program to verify if a character you entered is a vowel or a consonant.
Solution:
#include<stdio.h>
int main() {
char ch;
printf("\nEnter a character: ");
scanf("%c", &ch);
if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' ||
ch == 'A' || ch == 'E' || ch == 'I' || ch == 'O' || ch == 'U' ) {
printf("\n%c is a vowel", ch);
}
else {
printf("\n%c is a consonant", ch);
}
return 0;
}
Write a program to find factorial of a number.
Solution:
#include<stdio.h>
int main() {
int i, fact=1, num;
printf("\nEnter a number: ");
scanf("%d",&num);
for(i=1; i<=num; i++) {
fact=fact*i;
}
printf("\nFactorial of %d is: %d", num, fact);
return 0;
} Write a program to print number of days in a month.
Solution:
#include<stdio.h>
int main() {
int x[12]={31,28,31,30,31,30,31,31,30,31,30,31}, m;
printf("\nEnter the month number: ");
scanf("%d",&m);
if(m>12 || m<1) {
printf("Invalid input");
}
else if(m==2) {
printf("\nNumber of days in month 2 is either 29 or 28");
}
else {
printf("\nNumber of days in month %d is %d", m, x[m-1]);
}
return 0;
} Write a program to concatenate two strings.
Solution:
#include<stdio.h>
#include<string.h>
int main() {
char a[1000], b[1000];
printf("\nEnter the first string: ");
scanf("%s", a);
printf("\nEnter the second string: ");
scanf("%s", b);
strcat(a, b);
printf("\nString produced by concatenation is: %s", a);
return 0;
}Write a program to find maximum between two numbers.
Solution:
#include<stdio.h>
int main() {
int a,b;
printf("Enter two numbers: \n");
scanf("%d%d", &a, &b);
if(a>b) {
printf("\n%d is a maximum number", a);
}
else {
printf("\n%d is a maximum number", b);
}
return 0;
}Write a program to compare two strings.
Solution:
#include<stdio.h>
#include<string.h>
int main() {
char a[100], b[100];
printf("Enter the first string: \n");
scanf("%s", a);
printf("Enter the second string: \n");
scanf("%s", b);
if (strcmp(a,b) == 0) {
printf("The 2 strings are equal.\n");
}
else {
printf("The 2 strings are not equal.\n");
}
return 0;
}Write a program to convert the upper case letter to lower case letter.
Solution:
#include<ctype.h>
#include<stdio.h>
int main() {
char ch;
ch = 'G';
printf("%c in lowercase is represented as %c", ch, tolower(ch));
return 0;
}Write a program to find the quotient and remainder of a entered dividend and divisor.
Solution:
#include<stdio.h>
int main() {
int dividend, divisor;
printf("\nEnter dividend: ");
scanf("%d", ÷nd);
printf("\nEnter divisor: ");
scanf("%d", &divisor);
printf("\nQuotient = %d\n", (dividend / divisor));
printf("\nRemainder = %d", (dividend % divisor));
return 0;
}Write a program to determine the Size of int, float, double and char.
Solution:
#include<stdio.h>
int main() {
printf("Size of char is: %ld byte\n",sizeof(char));
printf("Size of int is: %ld bytes\n",sizeof(int));
printf("Size of float is: %ld bytes\n",sizeof(float));
printf("Size of double is: %ld bytes", sizeof(double));
return 0;
}Write a program to verify the password until it is correct.
Solution:
#include<stdio.h>
int main() {
int pwd, i;
while (i!=0) {
printf("\nEnter the password: ");
scanf("%d",&pwd);
if(pwd==1988) {
printf("The password you entered is correct");
i=0;
}
else {
printf("Incorrect password, try again");
}
printf("\n");
}
return 0;
}Write a program to find absolute value of a number.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int num;
printf("Input a positive or negative number: \n");
scanf("%d", &num);
printf("\nAbsolute value of |%d| is %d\n", num, abs(num));
return 0;
} Write a program that will accept a person's height in cm and classify the person based on it.
Solution:
#include<stdio.h>
int main() {
float ht;
printf("\nEnter the height (in cm): ");
scanf("%f", &ht);
if(ht < 150.0) {
printf("Dwarf.\n");
}
else if((ht >= 150.0) && (ht < 165.0)) {
printf("Average Height.\n");
}
else if((ht >= 165.0) && (ht <= 195.0)) {
printf("Taller.\n");
}
else {
printf("Abnormal height.\n");
}
return 0;
} Write a program to calculate the area of different geometric shapes using switch statements.
Solution:
#include<stdio.h>
int main() {
int choice;
float r, l, w, b, h;
printf("\nEnter 1 for area of circle: ");
printf("\nEnter 2 for area of rectangle: ");
printf("\nEnter 3 for area of triangle: ");
printf("\nEnter your choice : ");
scanf("%d", &choice);
switch(choice) {
case 1:
printf("Enter the radius of the circle: ");
scanf("%f", &r);
printf("\nArea of a circle is: %f", (3.14*r*r));
break;
case 2:
printf("Enter the length and width of the rectangle: \n");
scanf("%f%f", &l, &w);
printf("\nArea of a rectangle is: %f", (l*w));
break;
case 3:
printf("Enter the base and height of the triangle: \n");
scanf("%f%f", &b, &h);
printf("\nArea of a triangle is: %f", (0.5*b*h));
break;
default:
printf("\nPlease enter a number from 1 to 3.");
break;
}
return 0;
}Write a program to accept a character from the keyboard and print "Yes" if it is equal to y. Otherwise print "No".
Solution:
#include<stdio.h>
int main() {
char ch;
printf ("Enter a character: ");
ch = getchar ();
if(ch == 'y' || ch == 'Y') {
printf ("Yes\n");
}
else {
printf ("No\n");
}
return(0);
}Write a program that uses bitwise operators to multiply an entered value by four.
Solution:
#include<stdio.h>
int main() {
long x, y;
printf("Enter a integer: ");
scanf("%ld", &x);
y = x;
x = x << 2;
printf("%ld x 4 = %ld\n", y, x);
return 0;
}Write a program to check whether a number entered by the user is power of 2 or not.
Solution:
#include<stdio.h>
int main() {
int x;
printf("Enter a number: ");
scanf("%d", &x);
if((x != 0) && ((x &(x - 1)) == 0)) {
printf("\n%d is a power of 2", x);
}
else {
printf("\n%d is not a power of 2", x);
}
return 0;
}Write a program to determine whether a triangle is scalene, isosceles, or equilateral.
Solution:
#include<stdio.h>
int main() {
int side1, side2, side3;
printf("\nEnter the first side of the triangle: ");
scanf("%d",&side1);
printf("\nEnter the second side of the triangle: ");
scanf("%d",&side2);
printf("\nEnter the third side of the triangle: ");
scanf("%d",&side3);
if(side1 == side2 && side2 == side3) {
printf("\nThe given Triangle is equilateral.");
}
else if(side1 == side2 || side2 == side3 || side3 == side1) {
printf("\nThe given Triangle is isosceles.");
}
else {
printf("\nThe given Triangle is scalene.");
}
return 0;
}
Write a program to print ASCII values of all the letters of the English alphabet from A to Z.
Solution:
#include<stdio.h>
int main() {
int i;
for(i='A'; i<='Z'; i++) {
printf("ASCII value of %c = %d\n", i, i);
}
return 0;
}Write a program to find sum of even numbers between 1 to n.
Solution:
#include<stdio.h>
int main() {
int i, num, sum=0;
printf("Enter a number: ");
scanf("%d", &num);
for(i=2; i<=num; i=i+2) {
sum = sum + i;
}
printf("\nSum of all even number between 1 to %d is: %d", num, sum);
return 0;
}Write a program to find sum of odd numbers between 1 to n.
Solution:
#include<stdio.h>
int main() {
int i, num, sum=0;
printf("Enter a number: ");
scanf("%d", &num);
for(i=1; i<=num; i=i+2) {
sum = sum + i;
}
printf("\nSum of all odd number between 1 to %d is: %d", num, sum);
return 0;
}Write a program to find maximum number using switch case.
Solution:
#include<stdio.h>
int main() {
int x, y;
printf("Enter any two numbers: \n");
scanf("%d%d", &x, &y);
switch(x > y) {
case 0: printf("%d is Maximum number", y);
break;
case 1: printf("%d is Maximum number", x);
break;
}
return 0;
}Write a program that allows you to enter the cost price and the selling price of a product and calculate profit or loss.
Solution:
#include<stdio.h>
int main() {
int cp, sp;
printf("\nInput Cost Price: ");
scanf("%d", &cp);
printf("\nInput Selling Price: ");
scanf("%d", &sp);
if(sp > cp) {
printf("Profit = %d", (sp - cp));
}
else if(cp > sp) {
printf("Loss = %d", (cp - sp));
}
else {
printf("No Profit No Loss.");
}
return 0;
}Write a program that display the pattern like a right angle triangle using an asterisk.
Solution:
#include<stdio.h>
int main() {
int rows;
printf("Input the number of rows: ");
scanf("%d", &rows);
for(int x=1; x<=rows; x++) {
for(int y=1; y<=x; y++)
printf("*");
printf("\n");
}
return 0;
}Write a program that display the pattern like a right angle triangle using a number.
Solution:
#include<stdio.h>
int main() {
int rows;
printf("Input the number of rows: ");
scanf("%d",&rows);
for(int x=1; x<=rows; x++) {
for(int y=1; y<=x; y++)
printf("%d", y);
printf("\n");
}
return 0;
}Write a program to determine the number and sum of all integers between 50 and 100 which are divisible by 2.
Solution:
#include<stdio.h>
int main() {
int x, sum=0;
printf("Numbers between 50 and 100, divisible by 2: \n");
for(x=51; x<100; x++) {
if(x%2==0) {
printf("%5d", x);
sum+=x;
}
}
printf("\nThe sum: %d", sum);
return 0;
}Write a program that uses the function to determine whether a entered number is even or odd.
Solution:
#include<stdio.h>
int myfunc(int x) {
return (x & 1);
}
int main() {
int x;
printf("Enter any number: ");
scanf("%d", &x);
if(myfunc(x)) {
printf("\nThe number you entered is odd.");
}
else {
printf("\nThe number you entered is even.");
}
return 0;
}Write a program to find square root of a entered number.
Solution:
#include<stdio.h>
#include<math.h>
int main() {
int x;
printf("Enter any number: ");
scanf("%d",&x);
printf("Square root of %d is %.2lf", x, sqrt(x));
return 0;
}Write a program to find power of a entered number using library function.
Solution:
#include<stdio.h>
#include<math.h>
int main() {
int x, y;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
printf("\n%d^%d = %ld", x, y, (long)pow(x,y));
return 0;
}Write a program to determine if the character entered is an alphabetic or numeric character.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char ch;
printf("Enter a character: ");
scanf("%c", &ch);
if(isdigit(ch)) {
printf("\n%c is a Digit", ch);
}
else if(isalpha(ch)) {
printf("\n%c is an Alphabet", ch);
}
else {
printf("\n%c is not an Alphabet, or a Digit", ch);
}
return 0;
}Write a program to determine whether the character entered is an alphanumeric character or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char a;
printf("Enter a character: ");
scanf("%c", &a);
if(isalnum(a)) {
printf("\n%c is an alphanumeric character.", a);
}
else {
printf("\n%c is NOT an alphanumeric character.", a);
}
return 0;
}Write a program to determine whether the character entered is an punctuation character or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char a;
printf("Enter a character: ");
scanf("%c", &a);
if(ispunct(a)) {
printf("\n%c is an punctuation character.", a);
}
else {
printf("\n%c is NOT an punctuation character.", a);
}
return 0;
}Write a program to check whether the entered character is a graphic character or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char a;
printf("Enter a character: ");
scanf("%c", &a);
if(isgraph(a)) {
printf("\n%c is a graphic character.", a);
}
else {
printf("\n%c is NOT a graphic character.", a);
}
return 0;
}Write a program to list all printable characters using isprint() function.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
int i;
for(i = 1; i <= 127; i++)
if(isprint(i)!= 0)
printf("%c ", i);
return 0;
}Write a program to check whether the entered character is a hexadecimal digit character or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char a;
printf("Enter a character: ");
scanf("%c", &a);
if(isxdigit(a)) {
printf("\n%c is a hexadecimal digit character.", a);
}
else {
printf("\n%c is NOT a hexadecimal digit character.", a);
}
return 0;
}Write a program to print ASCII value of all control characters.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
int i;
printf("The ASCII value of all control characters are: \n");
for(i=0; i<=127; i++) {
if(iscntrl(i)!=0)
printf("\n %d ", i);
}
return 0;
}Write a program to check whether the entered character is a white-space character or not.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char c;
printf("Enter a character: ");
scanf("%c", &c);
if(isspace(c) == 0) {
printf("Not a white-space character.");
}
else {
printf("White-space character.");
}
return 0;
}Write a program to illustrate isprint() and iscntrl() functions.
Solution:
#include<stdio.h>
#include<ctype.h>
int main() {
char ch = 'a';
if(isprint(ch)) {
printf("\n%c is printable character.", ch);
}
else {
printf("\n%c is not printable character.", ch);
}
if(iscntrl(ch)) {
printf("\n%c is control character.", ch);
}
else {
printf("\n%c is not control character.", ch);
}
return (0);
}Write a program to calculate surface area of cube.
Solution:
#include<stdio.h>
int main() {
int side;
long area;
printf("\nEnter the side of cube: ");
scanf("%d", &side);
area = 6*side*side;
printf("\nThe surface area of cube is: %ld", area);
return 0;
}Write a program to subtract 2 numbers without using subtraction operator.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int x =6, y=3;
printf("%d", x+(~y)+1);
return 0;
}Write a program to add 2 numbers without using addition operator.
Solution:
#include<stdio.h>
#include<stdlib.h>
int main() {
int x =6, y=3;
printf("%d", x-(~y)-1);
return 0;
}Write a program to multiply a number by 2 without using multiplication operator.
Solution:
#include<stdio.h>
int main() {
int x=2;
printf("%d", x<<1);
return 0;
}Write a program to divide a number by 2 without using division operator.
Solution:
#include<stdio.h>
int main() {
int x=12;
printf("%d", x>>1);
return 0;
}Write a program to calculate volume of sphere.
Solution:
#include<stdio.h>
int main() {
int radius;
float PI = 3.141592;
printf("\nEnter the radius of sphere: ");
scanf("%d", &radius);
float volume = (4/3)*(PI*radius*radius*radius);
printf("\nThe volume of sphere is: %f", volume);
return 0;
}Write a program to calculate volume of ellipsoid.
Solution:
#include<stdio.h>
int main() {
int r1, r2, r3;
float PI = 3.141592;
printf("\nEnter the radius of the ellipsoid of axis 1: ");
scanf("%d", &r1);
printf("\nEnter the radius of the ellipsoid of axis 2: ");
scanf("%d", &r2);
printf("\nEnter the radius of the ellipsoid of axis 3: ");
scanf("%d", &r3);
float volume = (4/3)*(PI*r1*r2*r3);
printf("\nThe volume of ellipsoid is: %f", volume);
return 0;
}Write a program that uses a for loop to determine power of a number entered by the user.
Solution:
#include<stdio.h>
int main() {
int x, y;
long power = 1;
printf("\nEnter the value for x: ");
scanf("%d", &x);
printf("\nEnter the value for y: ");
scanf("%d", &y);
for(int i=1; i<=y; i++) {
power = power * x;
}
printf("%d ^ %d = %ld", x, y, power);
return 0;
}Write a program to read three numbers and find average of numbers.
Solution:
#include<stdio.h>
int main() {
int a,b,c;
float avg;
printf("\nEnter the first number: ");
scanf("%d", &a);
printf("\nEnter the second number: ");
scanf("%d",&b);
printf("\nEnter the third number: ");
scanf("%d",&c);
avg=a+b+c/3.0;
printf("\nAverage of three numbers is: %f", avg);
return 0;
}Write a program to read integer "n" and print first three powers (n1, n2, n3).
Solution:
#include<stdio.h>
#include<math.h>
int main() {
int n;
printf("\nEnter a number: ");
scanf("%d",&n);
printf("%f, %f, %f", pow(n, 1), pow(n, 2), pow(n, 3));
return 0;
}- C and C++: a Case for Compatibility
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