Submission #821062

#	Time	Username	Problem	Language	Result	Execution time	Memory
821062		t6twotwo	Coins (IOI17_coins)	C++17	100 / 100	7 ms	1404 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
    for (int i = 0; i < 64; i++) {
        if (b[i] == 1) {
            c ^= i;
        }
    }
    return vector{c};
}
int find_coin(vector<int> b) {
    int c = 0;
    for (int i = 0; i < 64; i++) {
        if (b[i] == 1) {
            c ^= i;
        }
    }
    return c;
}

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