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Submission #522849

# Submission time Handle Problem Language Result Execution time Memory
522849 2022-02-06T04:13:39 Z KoD Sajam (COCI18_sajam) C++17
90 / 90
 127 ms 1416 KB 
#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N, K;
    std::cin >> N >> K;
    vector<std::bitset<1000>> B(N);
    for (auto& x : B) {
        for (int i = 0; i < N; ++i) {
            char c;
            std::cin >> c;
            if (c == 'o') {
                x.set(i);
            }
        }
    }
    const auto cost = [&](const int i, const int j) {
        const int dif = (B[i] ^ B[j]).count();
        return std::min(dif, N - dif);
    };
    for (int i = 0; i < N; ++i) {
        int sum = 0;
        for (int j = 0; j < N; ++j) {
            sum += cost(i, j);
        }
        if (sum <= K) {
            std::cout << "DA\n";
            return 0;
        }
    }
    for (int i = 0; i < N; ++i) {
        B[0].flip(i);
        int sum = 1;
        for (int j = 0; j < N; ++j) {
            sum += cost(0, j);
        }
        B[0].flip(i);
        if (sum <= K) {
            std::cout << "DA\n";
            return 0;
        }
    }
    std::cout << "NE\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 4 ms 332 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 16 ms 428 KB Output is correct
5 Correct 6 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 32 ms 356 KB Output is correct
8 Correct 113 ms 408 KB Output is correct
9 Correct 8 ms 332 KB Output is correct
10 Correct 115 ms 332 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 332 KB Output is correct
2 Correct 13 ms 420 KB Output is correct
3 Correct 9 ms 332 KB Output is correct
4 Correct 8 ms 332 KB Output is correct
5 Correct 15 ms 428 KB Output is correct
6 Correct 38 ms 332 KB Output is correct
7 Correct 74 ms 332 KB Output is correct
8 Correct 78 ms 388 KB Output is correct
9 Correct 21 ms 332 KB Output is correct
10 Correct 127 ms 424 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 332 KB Output is correct
2 Correct 13 ms 420 KB Output is correct
3 Correct 8 ms 396 KB Output is correct
4 Correct 12 ms 404 KB Output is correct
5 Correct 11 ms 332 KB Output is correct
6 Correct 123 ms 412 KB Output is correct
7 Correct 30 ms 332 KB Output is correct
8 Correct 67 ms 332 KB Output is correct
9 Correct 75 ms 332 KB Output is correct
10 Correct 127 ms 332 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 392 KB Output is correct
2 Correct 8 ms 332 KB Output is correct
3 Correct 99 ms 332 KB Output is correct
4 Correct 33 ms 600 KB Output is correct
5 Correct 39 ms 700 KB Output is correct
6 Correct 126 ms 1416 KB Output is correct
7 Correct 37 ms 572 KB Output is correct
8 Correct 48 ms 572 KB Output is correct
9 Correct 52 ms 692 KB Output is correct
10 Correct 43 ms 712 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 332 KB Output is correct
2 Correct 18 ms 332 KB Output is correct
3 Correct 92 ms 332 KB Output is correct
4 Correct 69 ms 828 KB Output is correct
5 Correct 45 ms 836 KB Output is correct
6 Correct 81 ms 1068 KB Output is correct
7 Correct 38 ms 652 KB Output is correct
8 Correct 99 ms 1220 KB Output is correct
9 Correct 54 ms 776 KB Output is correct
10 Correct 119 ms 1312 KB Output is correct