"Recently, your account was used to crawl. Please change your password to prevent your account from being used for unauthorized activities."

Don't you think is kinda stupid? Like limits is toooooooo strict. I can't even just hack everyone I want to:I

We need to do smth to make features (like hacks) works as it was designed to.

The official solution for G is wrong: it overflows signed 64-bit integer.

This is shown by these submissions: https://codeforces.me/contest/2241/submission/380753097 https://codeforces.me/contest/2241/submission/380758313

i mean Solution verdict: OK

Checker: ok 1 number(s): "-8491303560709551616"

is not okay, check my hacks.

"Recently, your account was used to crawl. Please change your password to prevent your account from being used for unauthorized activities." is very stupid. I can't even hack.