Submission #298237

#	Time	Username	Problem	Language	Result	Execution time	Memory
298237		Rayaabualjamal	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	41 ms	2808 KiB

shoes

#include "shoes.h"
#include <iostream> 
#include <vector> 
#include <cstdio>
#define rep(i,a,b) for(int i = a; i<b; i++)
using namespace std;
long long count_swaps(vector<int> s) {
	int n = s.size()/2;
	if(s.size()==2){
		if(s[0]<0){
			return 0;
		}else{
			return 1;
		}
	}
	//vector <int> n(n), p(n), sum(n+n, 0);
	long long ans = 0;
	rep(i,0,n){
		ans+= i;
	}
	return ans;
}

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