Submission #887561

#	Time	Username	Problem	Language	Result	Execution time	Memory
887561		mohammad_kilani	Coins (IOI17_coins)	C++17	100 / 100	8 ms	1944 KiB

coins

#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;
}

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