Submission #442771

#	Time	Username	Problem	Language	Result	Execution time	Memory
442771		Lam_lai_cuoc_doi	Coins (IOI17_coins)	C++17	25 / 100	10 ms	1524 KiB

coins

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

constexpr bool typetest = 0;
constexpr int N = 1e5 + 5;

#define bit(i, x) (((x) >> (i)) & 1)

vector<int> coin_flips(vector<int> b, int c)
{
    vector<int> ans;
    for (int i = 0; i < 6; ++i)
        if (b[i] != bit(i, c))
            ans.emplace_back(i);
    if (ans.empty())
    {
        ans.emplace_back(0);
        ans.emplace_back(0);
    }
    return ans;
}

int find_coin(vector<int> b)
{
    int ans(0);
    for (int i = 0; i < 6; ++i)
        if (b[i])
            ans |= 1 << i;

    return ans;
}

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