Submission #1004041

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004041		Luvidi	Arranging Shoes (IOI19_shoes)	C++17	45 / 100	17 ms	3164 KiB

shoes

#include "shoes.h"

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fs first
#define sc second
#define pb push_back

long long count_swaps(std::vector<int> s) {
	int n=s.size()/2;
	ll ans=0,c=0;
	for(int i=0;i<2*n;i++){
		if(s[i]>0)continue;
		ans+=(ll)abs(i-2*c);
		c++;
	}
	return ans;
}

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