Submission #1311324

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311324		nataliaa	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	1 ms	344 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()/2;
    for(int i = 0; i < n; i++){
        for(int j = 2*i; j < 2*n; j++) {
            if(s[j]<0) {
                for(int k = j; k>i; k--) swap(s[k], s[k-1]);
                ans+=j-i;
            }
        }
        for(int j = 2*i+1; j < 2*n; j++) {
            if(s[j]>0) {
                for(int k = j; k>i+1; k--) swap(s[k], s[k-1]);
                ans+=j-i-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