Submission #675408

#	Time	Username	Problem	Language	Result	Execution time	Memory
675408		m23022002	Coins (IOI17_coins)	C++14	0 / 100	9 ms	1344 KiB

coins

#include "coins.h"
#include <vector>
using namespace std;
 
vector<int> coin_flips(vector<int> b, int c) {
	int x = 0;
  for(int i=0;i<=63;++i) if(b[i]) x = x ^ b[i];
  x = x ^ c;
  vector<int>ans(1);
  ans[0] = x;
  return ans;
}
 
int find_coin(vector<int> b) {
	int ans = 0;
  for(int i=0;i<64;++i) if(b[i]) ans = ans ^ b[i];
  return ans;
}

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