Submission #1237087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237087		Ghulam_Junaid	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	1096 ms	1976 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
// #include "grader.cpp"
using namespace std;

typedef long long ll;

long long count_swaps(vector<int> s) {
    int ans = 0;
    for (int cur = 0; cur < s.size(); cur += 2){
        int f = cur;
        while (f < s.size() and s[f] > 0)
            f++;

        for (int i = f; i > cur; i --)
            swap(s[i], s[i - 1]);
        ans += f - cur;

        f = cur + 1;
        while (f < s.size() and -s[f] != s[cur])
            f++;

        for (int i = f; i > cur + 1; i --)
            swap(s[i], s[i - 1]);
        ans += f - cur - 1;
    }
	return ans;
}

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