Submission #650133

#	Time	Username	Problem	Language	Result	Execution time	Memory
650133		noob_c0de	Coins (IOI17_coins)	C++17	0 / 100	8 ms	1212 KiB

coins

#include<bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c)
{
	int ans = 0;
	for (int i = 0; i < 64; i++) 
	if (b[i] == 1) ans ^= i;
	ans ^= c;
	b[ans] ^= 1;
	return b;
}
int find_coin(vector<int> b)
{
	int ans = 0;
	for (int i = 0; i < 64; i++) 
	if (b[i] == 1) ans ^= i;
	return ans;
}

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