Submission #306238

#	Time	Username	Problem	Language	Result	Execution time	Memory
306238		Lawliet	Coins (IOI17_coins)	C++17	100 / 100	12 ms	1832 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
 
using namespace std;
 
int getValue(vector<int> b)
{
	int ans = 0;

	for(int i = 0 ; i < 64 ; i++)
		if( b[i] == 1 ) ans ^= i;

	return ans;
}

int find_coin(vector<int> b) { return getValue(b); } 
vector<int> coin_flips(vector<int> b, int c) { return vector<int>( 1 , getValue(b)^c ); }

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