Submission #717494

#	Time	Username	Problem	Language	Result	Execution time	Memory
717494		josanneo22	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1 ms	468 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int n=s.size();
	int cnt=0;
	for(int i=0;i<n;i++){
		int change=0;
		if(s[i]>0){
			int j=i;
			if(j==0){
				swap(s[j],s[j+1]);
				cnt++;
				change=1;
				j++;
			}
			while(s[j]!=-s[j-1]){
				swap(s[j],s[j+1]);j++;
				change=1;
				cnt++;
			}
		}
		if(change) i--;
	}
	return cnt;
}

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