Submission #397884

#	Time	Username	Problem	Language	Result	Execution time	Memory
397884		snasibov05	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	49 ms	7516 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

long long count_swaps(vector<int> s) {

    long long ans = 0;
    int n = s.size();
    set<int> st;
    for (int i = 1; i < n; i += 2) {
        if (s[i] < 0) st.insert(i);
    }

    for (int i = 0; i < n; i += 2) {
        if (s[i] < 0) continue;
        ans += abs(*st.begin() - i);
        st.erase(st.begin());
    }

    return ans;

}

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