Submission #124750

#	Time	Username	Problem	Language	Result	Execution time	Memory
124750		dragonslayerit	Coins (IOI17_coins)	C++14	100 / 100	14 ms	1520 KiB

coins

#include "coins.h"

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

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

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