Submission #1203819

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203819		Aviansh	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1095 ms	1968 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

long long count_swaps(vector<int> s) {
    long long ans = 0;
    while(s.size()){
        int par = -1;
        for(int i = 1;i<s.size();i++){
            if(1LL*s[0]*s[i]<0){
                if(abs(s[0])==abs(s[i])){
                    par=i;
                    break;
                }
            }
        }
        if(s[0]<0){
            ans+=par-1;
        }
        else{
            ans+=par;
        }
        s.erase(s.begin()+par);
        s.erase(s.begin());
    }
	return ans;
}

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