제출 #317907

#제출 시각아이디문제언어결과실행 시간메모리
317907spatarelCoins (IOI17_coins)C++17
100 / 100
13 ms2036 KiB
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
  std::vector<int> flips;
  int x = find_coin(b);
  flips.push_back(x ^ c);
  return flips;
}

int find_coin(std::vector<int> b) {
  int x = 0;
  for (int i = 0; i < 64; i++) {
    if (b[i] == 1) {
      x ^= i;
    }
  }
  return x;
}
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