how to take input.txt and output.txt in codeforces
By Tom Blanda at Apr 07 2021
Codeforces 977A. Wrong Subtraction solution in CPP
By Freecodecenter Fcc at Apr 28 2023
Codeforces 110A. Nearly Lucky Number solution in CPP
polycarp found a rectangular table consisting of n rows and m columns. he noticed that each cell of the table has its number, obtained by the following algorithm "by columns": codeforces solution
By Confused Crossbill at Mar 24 2021