Submission #1141551

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141551		josephtenorio	Coins (IOI17_coins)	C++20	100 / 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 re = 0;
  for (int t1 = 0; t1 < 64; t1 ++) {
	  re ^= t1*b[t1];
	}
  vector<int> flips = {re^c};
  return flips;
}

int find_coin(vector<int> b) {
  int re = 0;
  for (int t1 = 0; t1 < 64; t1 ++) {
    re ^= t1*b[t1];
  }
  return re;
}

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