codechef https://www.codechef.com/ Problems Code Problem Solution ADDNATRL Add Natural Numbers Java AGECAT1 Age Category Java AIRLINE Airline Restrictions Java ALTERNATEDIV Alternating Divisibility Java ALTSTR Alternating String Java ANGTRICH Triangle With Angle Java ATTNDNCE Check Attendance Java AVGARR Average Array Java AXNODR Dazzling AXNODR Challenge Java BALREV Balanced Reversals Java BATH Bath in Winters Java BLACKCEL Black cells in a chessboard Java BOMBTHEBASE Bomb the base Java BOOKLIST List of Books Java BSCOST Binary String Cost Java BUDGET_ Monthly Budget Java BULBLIFE Good Quality Bulbs Java BULLET Mario and Bullet Java BUS Bus full of passengers Java BUTYPAIR Beautiful Pairs Java BUYPLSE Buy Please Java CABS The Cheaper Cab Java CARVANS Carvans Java CDIGLNUM Chef and Digits of Large Numbers Java CEILSUM Ceiling Sum Java CHEFBOTTLE Chef and Water Bottles Java CHEFCHOCO Chef and Chocolates Java CHEFPAGES Important Pages on CodeChef Java CHEFRACES Chef and Races Java CHFCLASS Akash and Missing Class Java CHFDBT Akash and Function Java CHFGCD Chef and GCD Java CHFPARTY Chef and Party Java CHFPLN Chef In Infinite Plane Java CHFSPL Chef and Spells Java CHSFORMT Chess Format Java CODEA1 First Day Java CODEA2 Growing Rivalry Java CODEA3 Pass or Fail Java CORONA India Fights Corona Java COURSEREG Course Registration Java CREDCOINS CRED Coins Java CREDSCORE Credit score Java CRICRANK Cricket Ranking Java CRICUP Cup Finals Java CROSBLK Crossing Blocks Java DIFACTRS Factors Finding Java DIGARR Rearranging digits to get a multiple of 5 Java DIGSMPAR Digit Sum Parities Java DISCUS Discus Throw Java DISTDILEM Distinct Dilemma Java DRAWFIX Draw Fixing Java ECOCLASS Economics Class Java EMAILREM Email Reminders Java ENDCORR End of Corruption Java ETUP Even tuples Java EVENGAME Even Sum Java EXPIRY Expiring Bread Java EXTRICHK Triangle Everywhere Java FBC Fill the Bucket Java FINDMELI Find Me Java FINDSHOES Finding Shoes Java FLIPSORT Flip Sorting Java FLOW001 Add Two Numbers Java FLOW007 Reverse The Number Java FODCHAIN Food Chain Java FUNHAND Funny Hand Java GENIUS Exact Marks Java GFTSHP Gift Shop and Coupon Java GROUPASSGN Group Assignment Java HARDBET Hardest Problem Bet Java HAWKINTERN Hawkeye Intern Java HDIVISR Highest Divisor Java HS08TEST ATM Java IAREVERS Reverse Java INCRIQ Increase IQ Java INTEGERGAME Integer Game Java INTEST Enormous Input Test Java ISBOTH Is Both Or Not Java JAG Just a Graph Java JAVELIN Javelin Qualification Java JGAMES Janmansh and Games Java JMARKET Janmansh at Fruit Market Java JOKRBTMN Joker and Batman Java KMAX2 K-th Maximum Java LAPIN Lapindromes Java LEADGAME Lead Game Java LONGPALI Longest Palindrome Java LTIME Lunchtime Java LUCKFOUR Lucky Four Java MANIPULATE Ezio and Guards Java MAX01EVSWP Same Parity Swaps in Binary Strings Java MAXMEXPATH MEX on Trees Java MAXTHEMIN Maximize the Minimum Java MEXSPLIT Equal Mex Splitting Java MINCARS Minimum Cars required Java MINCOINS Minimum number of coins Java MINCOLOR Minimum Coloring Java MISS_NUM Missing Numbers Java MODCARDS Min Mod Shuffle Java MTE Make Them Equal Java NANDXOR Dragonado And XOR Java NONADJFLIP Non Adjacent Flips Java NOTUNIT Dazzling GCD Pair Java OLYRANK Olympics Ranking Java PAIRPAIN Pair Pain Java PALINPAIN Palindrome Pain Java PENALTY Penalty Shots Java POSPROD Positive Products Java PRDW02 String Issue Java PRIMESM Prime Sum Java PROBDIFF Problem Difficulties Java PROGLANG Programming Languages Java RATING The Rating Dilemma Java RECSTI Sticks and Rectangles Java REDALERT Red Alert Java REPEAT Odd Repeat Java REVMEE Reverse Me Java REVSTRPT Reverse Star Pattern Java RNGEODD Range Odd Java SALE2 Buy 2 Get 1 Free Java SECLAR Find Second Largest Java SHOEFIT Shoe Fit Java SHUFFLIN Shuffling Parities Java SIGNMOVE Sign Moves Java SORTROWS Sorting Rows of Numbers Java SPLITPAIR Sad Splits Java SQALPAT Alternative Square Pattern Java STRP String protocol Java SUBSTRING Substring of a Substring Java SUB_XOR Subarray XOR Java SUMEVOD Sum Is Everywhere Java SWAPCW Swapping Chefs Way Java TEST Life, the Universe, and Everything Java THREDICE Three Dices Java THREEPTS Three Points Java THREETOPICS The Three Topics Java TILINGS Number of Tilings Java TOTCRT Total Correct Submissions Java TRAINPLN Training Plans Java TRANSFORM Mario and Transformation Java TRAVELPS Travel Pass Java TRIVALCH Valid Triangle Or Not Java TRUESCORE Is the Score Consistent Java TYRE Tyre problem Java UNCHANGEDOR The Unchanging OR Java VALTRI Raju and His Trip Java VOLCONTROL Volume Control Java VOTERSDI Discrepancies in the Voters List Java WATERCOOLER1 The Cooler Dilemma 1 Java WATERCOOLER2 The Cooler Dilemma 2 Java WORDLE Wordle Java WORDLIST Word List Java XLSQUARE Large Square Java XORBIT XOR Bit Java XORORED XOR-ORED Java ZCO14003 Smart Phone Java