Submission #523828

#	Time	Username	Problem	Language	Result	Execution time	Memory
523828		pakhomovee	Arranging Shoes (IOI19_shoes)	C++17	0 / 100	1 ms	284 KiB

shoes

#include "shoes.h"
#include <cmath>

long long count_swaps(std::vector<int> s) {
    const int n = s.size();
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        int j;
        for (j = i + 1; abs(s[j]) != abs(s[i]); ++j) {
            if (s[j] != 0) {
                ++ans;
            }
        }
        if (s[i] > 0) {
            ++ans;
        }
        s[i] = s[j] = 0;
    }
    return ans;
}

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