Submission #1264512

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264512		DeltaStruct	Coins (IOI17_coins)	C++20	0 / 100	5 ms	584 KiB

coins

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

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

int find_coin(vector<int> B){
  int r(0); for (int i(0);i < 64;++i) r ^= B[i]*i;
  return r;
}

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