Testing Div4-A in Polygon (Codeforces)

How to test a problem in https://polygon.codeforces.com/. This is how a testing process should look like. Final problem: https://codeforces.com/gym/102873/pro... 1-hour follow-up talk with authors:    • Fixing Bad Problem in Polygon (Codeforces)   Testing of other problems:    • Testing Div4 Round in Polygon (Codeforces)   0:00 Intro 0:28 Statement 2:16 Sample Explanation 2:34 Issues 3:20 Solution 4:44 Wrong Solutions 7:06 Invocation 10:02 Tests 13:40 Generator 17:24 Validator 20:30 Validator Tests 23:17 Commit Changes Subscribe for more educational videos on algorithms, coding interviews and competitive programming. live streams:   / errichto   Main YT channel with educational videos:    / errichto   FAQ & GitHub Wiki: https://github.com/Errichto/youtube/w... Discord:   / discord