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Submission #697661

# Submission time Handle Problem Language Result Execution time Memory
697661 2023-02-10T16:50:19 Z finn__ Bitwise (BOI06_bitwise) C++17
30 / 100
 1000 ms 300 KB 
#include <bits/stdc++.h>
using namespace std;

vector<unsigned> k, a, b;

void find_max(vector<unsigned> &v, size_t i, unsigned &max_value)
{
    if (i == v.size())
    {
        auto it = v.begin();
        unsigned x = UINT_MAX;
        for (size_t j = 0; j < k.size(); j++)
        {
            unsigned y = 0;
            for (size_t h = 0; h < k[j]; h++)
                y |= *it++;
            x &= y;
        }
        max_value = max(max_value, x);
        return;
    }

    for (v[i] = a[i]; v[i] <= b[i]; v[i]++)
        find_max(v, i + 1, max_value);
}

int main()
{
    size_t n, p;
    cin >> n >> p;

    k = vector<unsigned>(p);
    a = vector<unsigned>(n);
    b = vector<unsigned>(n);

    for (unsigned &x : k)
        cin >> x;
    for (size_t i = 0; i < n; i++)
        cin >> a[i] >> b[i];

    unsigned max_value = 0;
    vector<unsigned> v(n);
    find_max(v, 0, max_value);

    cout << max_value << '\n';
}

Subtask #1
30.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 12 ms 212 KB Output is correct
6 Correct 11 ms 300 KB Output is correct
7 Execution timed out 1092 ms 212 KB Time limit exceeded
8 Execution timed out 1090 ms 212 KB Time limit exceeded
9 Execution timed out 1097 ms 212 KB Time limit exceeded
10 Execution timed out 1086 ms 212 KB Time limit exceeded
11 Execution timed out 1087 ms 212 KB Time limit exceeded
12 Execution timed out 1086 ms 212 KB Time limit exceeded
13 Execution timed out 1084 ms 212 KB Time limit exceeded
14 Execution timed out 1081 ms 212 KB Time limit exceeded
15 Execution timed out 1084 ms 212 KB Time limit exceeded
16 Execution timed out 1092 ms 212 KB Time limit exceeded
17 Execution timed out 1087 ms 212 KB Time limit exceeded
18 Execution timed out 1082 ms 212 KB Time limit exceeded
19 Execution timed out 1085 ms 212 KB Time limit exceeded
20 Execution timed out 1077 ms 212 KB Time limit exceeded