Help Solve Div2 Task With Bigger Constraints

Revision en1, by Ibrahim-Elsayed, 2022-03-31 01:49:16

i recently solved this problem: https://mirror.codeforces.com/contest/1097/problem/B,

I know that it's an easy problem with a brute-force solution but, I'm curious how to solve it for $$${1 <= N <= 10^5}$$$, I'd appreciate your help, thanks in advance.

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en1 English Ibrahim-Elsayed 2022-03-31 01:49:16 289 Initial revision (published)