Submission #1077343

#	Time	Username	Problem	Language	Result	Execution time	Memory
1077343		Ignut	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1097 ms	3264 KiB

shoes

// Ignut

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

ll count_swaps(vector<int> S) {
    ll res = 0;
    int n = S.size();
    for (int i = 0; i < n; i ++) {
        if (i % 2 == 0) {
            int j;
            for (j = i; j < n; j ++)
                if (S[j] < 0) 
                    break;
            while (j > i) {
                swap(S[j - 1], S[j]);
                j --;
                res ++;
            }
        }
        else {
            int j;
            for (j = i; j < n; j ++)
                if (S[j] == -S[i - 1])
                    break;
            while (j > i) {
                swap(S[j - 1], S[j]);
                j --;
                res ++;
            }
        }
    }
    return res;
}

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