제출 #540208

#제출 시각아이디문제언어결과실행 시간메모리
540208beaconmcArranging Shoes (IOI19_shoes)C++14
45 / 100
39 ms3156 KiB
#include <bits/stdc++.h> typedef long long ll; #define FOR(i,x,y) for(ll i=x; i<y; i++) using namespace std; long long count_swaps(vector<int> S) { ll n = S.size(); ll cur = 0; ll ans = 0; FOR(i,0,n){ if (S[i] < 0){ ans += abs(i-cur); cur += 2; } } return ans; }
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