Submission #305955

#	Time	Username	Problem	Language	Result	Execution time	Memory
305955		amunduzbaev	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1083 ms	384 KiB

shoes

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

long long count_swaps(vector<int> a) {
    int n=a.size();

    long long ns=0;
    for(int i=0;i<n;i++){
        if(a[i]<0){
            if(a[i+1]==a[i]*-1){
                i++;
                continue;
            }
            int j=i+1;
            while(a[j]!=a[j-1]*-1){
                swap(a[j],a[j-1]);
                j++;
                ns++;
            }
            i--;

        }else{
            if(a[i-1]==a[i]*-1&&i>0){
                continue;
            }
            int j=i+1;
            while(a[j]!=a[j-1]*-1){
                swap(a[j],a[j-1]);
                j++;
                ns++;
            }
            swap(a[j],a[j-1]);
            ns++;
            i--;
        }
    }
	return ns;
}

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