Submission #60888

#	Time	Username	Problem	Language	Result	Execution time	Memory
60888		kingpig9	Coins (IOI17_coins)	C++11	100 / 100	15 ms	1572 KiB

coins

#include <bits/stdc++.h>

using namespace std;

vector<int> coin_flips (vector<int> b, int c) {
	for (int i = 0; i < 64; i++) {
		if (b[i]) {
			c ^= i;
		}
	}
	return vector<int> (1, c);
}

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

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