200A - Cinema — i was solving this problem which was in a20j ladder A(No.100) . And i solved it using brute force using this submission 173330360 . it worked for all testcases in my computer but on codeforces it went to an error of wrong answer. the input was totally same. i even tried an online compiler and that website gave me an even different answer than both of the previous answers. please help me. i know the solution is kinda messed up since i just started competitive programming but please i need help.