제출 #630669

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
630669	2022-08-16 21:54:13	fadyscube	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	562 ms	1048576 KiB

shoes

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int getIndex(vector<int> v, int K) {
    auto it = find(v.begin(), v.end(), K);
    if (it != v.end()) return it - v.begin();
    else return -1;
}
int ans = 0;
ll count_swaps(vector<int> S) {
    if (S.size() == 2) {
        ans += (S[0] > 0) ? 1 : 0;
        return ans;
    } else if (S.size() < 2) return ans;
    int in = getIndex(S, S[0]*-1);
    ans += S[0] > 0 ? in : in-1;
    S.erase(S.begin()+in);
    S.erase(S.begin()+0);
    return count_swaps(S);
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
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• Subtask 6: 0 / 15