제출 #887561

#제출 시각아이디문제언어결과실행 시간메모리
887561mohammad_kilaniCoins (IOI17_coins)C++17
100 / 100
8 ms1944 KiB
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;


std::vector<int> coin_flips(std::vector<int> b, int c) {
  int x = 0;
  for(int i = 0 ;i < (int)b.size();i++){
    if(b[i] == 0)
        x ^= i;
  }
  return vector< int > (1 , x ^ c);
}

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