Submission #601772

#	Time	Username	Problem	Language	Result	Execution time	Memory
601772		Minindu2006	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	25 ms	3752 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
long long count_swaps(std::vector<int> s)
{
    int n = s.size() / 2;
    vector<int> l;
    for (int i = 0; i < 2 * n; i++)
        if (s[i] < 0)
            l.push_back(i);
    ll ans = 0, j = 0;
    for (int i = 0; i < 2 * n; i += 2)
        ans += (i - l[j]), j++;
    return ans;
}

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