Mirrorgo / ada_a3

ada assignment 3

submit中是实际提交的文件

tasks

task1

测试用例

• (0,0,'A'),(1,2,'B) ✅
• (0,0,‘a’), (2,1,‘b’) ❌
• (0,2,‘A’), (0,1,‘B’) ✅

command

$ gnatmake --version
$ gnatprove --version
$ gnatmake main

tip

To_Big_Integer在prove的时候可以使用

tasks

只需要修改lz77.abd和main.adb,其他文件都不要动

• task1 ✅
  • 条件太多，看看能否简化
  • Output_Length的初始化问题，应该是1吧
• task2 ✅ 优化Loop_invariant成为一个等式

Commit Message Format

• chore：这是一个常见的前缀，用于表示其他类别未涵盖的常规任务
• build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
• ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
• perf: A code change that improves performance
• refactor: A code change that neither fixes a bug nor adds a feature
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
• test: Adding missing tests or correcting existing tests

坑

Output'First <= Output'Last 无法prove Output'First <= Output'Length + Output'First 却可以prove