Submission #124329

#	Time	Username	Problem	Language	Result	Execution time	Memory
124329		AngusRitossa	Coins (IOI17_coins)	C++14	100 / 100	13 ms	1656 KiB

coins

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

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

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