Submission #44519

#	Time	Username	Problem	Language	Result	Execution time	Memory
44519		MatheusLealV	Coins (IOI17_coins)	C++17	0 / 100	5 ms	1264 KiB

coins

#include <bits/stdc++.h>

using namespace std;

vector<int> v;

vector<int> coin_flips(vector<int> a, int x)
{
	int ini = 0, fim = 63, mid;

	vector<int> trocados;

	for(int k = 0; k < 8; k++)
	{
		mid = (ini + fim)/2;

		if( x >= mid)
		{
			if(!a[mid]) trocados.push_back(mid);

			a[mid] = 1;
			
			ini = mid + 1;
		}

		else
		{
			if(a[mid]) trocados.push_back(mid);

			a[mid] = 0;

			fim = mid - 1;
		}
	}

	return trocados;
}

int find_coin(vector<int> a)
{
	int ini = 0, fim = 63, mid;

	for(int k = 0; k < 20; k++)
	{
		mid = (ini + fim)/2;

		if(a[mid]) ini = mid + 1;

		else fim = mid - 1;
	}

	return mid;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50