Submission #1242563

#	Time	Username	Problem	Language	Result	Execution time	Memory
1242563		haithamcoder	Arranging Shoes (IOI19_shoes)	C++20	45 / 100	14 ms	1864 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

#define db(x) cerr << #x << " = " << x << " | "
#define dbg(x) cerr << #x << " = " << x << "\n"


long long count_swaps(std::vector<int> s) {
	ll n = s.size()/2;

	ll t = 0, p = 0; 
	
	for (ll i = 0; i < 2 * n; i++) {
		if (s[i] < 0) {
			// dbg("here");
			t += abs(i - p);
			p += 2;
		}	
	}

	return t;
}

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