Submission #1334607

#	Time	Username	Problem	Language	Result	Execution time	Memory
1334607		enson	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	14 ms	1960 KiB

shoes

#include <bits/stdc++.h>
using namespace std;


long long count_swaps(vector<int>S){
    if (S.size() == 2){
        if (S[0] < 0) return 0;
        return 1;
    }
    int a = 0, r = 0;
    for(int i = 0; i < S.size(); i++){
        if (S[i] < 0){
            a++;
            r += abs(i - 2*(a-1));
        }
    }
    return r;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15