Submission #332989

#	Time	Username	Problem	Language	Result	Execution time	Memory
332989		vishesh312	Coins (IOI17_coins)	C++17	100 / 100	14 ms	1712 KiB

coins

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

int find_coin(vector<int> v) {
    int ret = 0;
    for (int i = 0; i < 64; ++i) {
        if (v[i] == 1) ret ^= i;
    }
    return ret;
}

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