제출 #900704

#제출 시각아이디문제언어결과실행 시간메모리
900704ozner77Arranging Shoes (IOI19_shoes)C++17
0 / 100
14 ms1884 KiB
#include "shoes.h" #include <bits/stdc++.h> #include <vector> #include <iostream> #include <string> #include <algorithm> using namespace std; long long count_swaps(vector<int> s) { long long swaps=0; int e=s.size(); e=e/2; e--; swaps=(e*(e+1))/2; if(e==0){ swaps=0; } return swaps; }
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