Submission #916862

#	Time	Username	Problem	Language	Result	Execution time	Memory
916862		penguin133	Coins (IOI17_coins)	C++17	100 / 100	8 ms	1940 KiB

coins

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

vector<int> coin_flips(vector<int> b, int c){
	int brh = c;
	for(int i=0;i<64;i++)if(b[i])brh ^= i;
	return {brh};
}

int find_coin(vector <int>  b){
	int brr = 0;
	for(int i=0;i<64;i++)if(b[i])brr ^= i;
	return brr;
}

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