Submission #1184839

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184839		hamzabc	Coins (IOI17_coins)	C++20	0 / 100	5 ms	584 KiB

coins

#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips(1);
    int xr = 0;
    for (int i = 0; i < 64; i++)
        xr ^= b[i];
    flips[0] = c ^ xr;
    return flips;
}

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

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50