[submission link](https://codeforces.net/contest/2020/submission/299108358),↵
[problem link](https://codeforces.net/contest/2020/problem/E),↵
Could someone please help me understand the cause of the error?↵
Additionally, i would appreciate general insights into which operations in C++ are typically slow and tips on how to optimize them.↵
Thank You
[problem link](https://codeforces.net/contest/2020/problem/E),↵
Could someone please help me understand the cause of the error?↵
Additionally, i would appreciate general insights into which operations in C++ are typically slow and tips on how to optimize them.↵
Thank You
