Submission #320949

#	Time	Username	Problem	Language	Result	Execution time	Memory
320949		SnowFlake7	Coins (IOI17_coins)	C++14	100 / 100	12 ms	1924 KiB

coins

#include <bits/stdc++.h>
#include "coins.h"

using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips;
    long long x = find_coin(b);
    flips.push_back(x ^ c);
    return flips;
}
int find_coin(vector<int> b) {
    long long x = 0;
    for (int i = 0;i < 64;i++) {
        if (b[i] == 1)
            x ^= i;
    }
    return x;
}

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