제출 #1053474

#제출 시각아이디문제언어결과실행 시간메모리
1053474sofijavelkovskaBoarding Passes (BOI22_passes)C++17
0 / 100
1 ms344 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); string s; cin >> s; int n=s.size(); int x=n/2; int y=(n+1)/2; cout << (double)x*(x-1)/4+(double)y*(y-1)/4; return 0; }
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