oj.uz

Submission #583670

# Submission time Handle Problem Language Result Execution time Memory
583670 2022-06-26T02:56:18 Z KoD "The Lyuboyn" code (IZhO19_lyuboyn) C++17
3 / 100
 281 ms 6556 KB 
#include <bits/stdc++.h>

using ll = long long;
using std::vector;
using std::array;
using std::pair;
using std::tuple;

template <class T>
constexpr T infty = std::numeric_limits<T>::max() / 2;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    vector<int> base;
    int N, K, T;
    std::string S;
    std::cin >> N >> K >> T >> S;
    const int first = std::stoi(S, 0, 2);
    for (int i = 0; i < (1 << N); ++i) {
        if (__builtin_popcount(i) == K) {
            int x = i;
            for (const int e : base) {
                x = std::min(x, x ^ e);
            }
            if (x != 0) {
                base.push_back(x);
            }
        } 
    }
    if ((int)base.size() != N) {
        std::cout << "-1\n";
        return 0;
    }
    auto dfs = [&](auto&& dfs, const int n) -> vector<int> {
        if (n == 0) {
            return {0};
        }
        auto low = dfs(dfs, n - 1);
        vector<int> ret(1 << n);
        const int m = 1 << (n - 1);
        for (int i = 0; i < m; ++i) {
            ret[i] = low[i];
            ret[2 * m - i - 1] = low[i] + m;
        }
        return ret;
    };
    const auto code = dfs(dfs, N);
    for (int i = 0; i < (1 << N); ++i) {
        int x = first;
        for (int j = 0; j < N; ++j) {
            if (code[i] >> j & 1) {
                x ^= base[j];
            }
        }
        for (int j = N - 1; j >= 0; --j) {
            std::cout << (x >> j & 1);
        }
        std::cout << '\n';
    }
    return 0;
}

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB The output is neither -1 nor the length of the answer

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 320 KB Expected integer, but "0000" found
2 Halted 0 ms 0 KB -

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Ok
2 Correct 1 ms 212 KB Ok
3 Correct 2 ms 212 KB Ok
4 Correct 0 ms 212 KB Ok
5 Correct 1 ms 212 KB Ok
6 Correct 1 ms 212 KB Ok
7 Correct 1 ms 320 KB Ok
8 Correct 2 ms 324 KB Ok

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 281 ms 6392 KB Expected integer, but "000000000000000000" found
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Expected integer, but "0000000" found
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 212 ms 6556 KB Expected integer, but "010101010011010100" found
2 Halted 0 ms 0 KB -

Subtask #7
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 281 ms 6392 KB Expected integer, but "000000000000000000" found
2 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 91 ms 3240 KB Expected integer, but "01011001010101101" found
2 Halted 0 ms 0 KB -