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Submission #577344

# Submission time Handle Problem Language Result Execution time Memory
577344 2022-06-14T14:54:26 Z Alexandruabcde Kutije (COCI21_kutije) C++14
70 / 70
 170 ms 18384 KB 
#include <bits/stdc++.h>

using namespace std;

constexpr int NMAX = 1005;

int N, M, Q;

vector <int> G[NMAX];
int comp[NMAX];
int nr;

void Read () {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> N >> M >> Q;

    for (int i = 1; i <= M; ++ i ) {
        for (int j = 1; j <= N; ++ j ) {
            int x;
            cin >> x;

            G[j].push_back(x);
            G[x].push_back(j);
        }
    }
}

void Dfs (int nod) {
    comp[nod] = nr;

    for (auto it : G[nod]) {
        if (comp[it] != 0) continue;

        Dfs(it);
    }
}

void Precompute () {
    for (int i = 1; i <= N; ++ i ) {
        if (comp[i] == 0) {
            ++ nr;
            Dfs(i);
        }
    }
}

void Solve () {
    for (int i = 1; i <= Q; ++ i ) {
        int x, y;
        cin >> x >> y;

        cout << (comp[x] == comp[y] ? "DA\n" : "NE\n");
    }
}

int main () {
    Read();
    Precompute();
    Solve();

    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5656 KB Output is correct
2 Correct 61 ms 4908 KB Output is correct
3 Correct 61 ms 4700 KB Output is correct
4 Correct 83 ms 5640 KB Output is correct
5 Correct 70 ms 5572 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 1 ms 484 KB Output is correct
3 Correct 1 ms 420 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 1 ms 484 KB Output is correct
3 Correct 1 ms 420 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 488 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 5656 KB Output is correct
2 Correct 61 ms 4908 KB Output is correct
3 Correct 61 ms 4700 KB Output is correct
4 Correct 83 ms 5640 KB Output is correct
5 Correct 70 ms 5572 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 420 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 488 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 157 ms 18384 KB Output is correct
27 Correct 151 ms 18196 KB Output is correct
28 Correct 141 ms 15908 KB Output is correct
29 Correct 141 ms 17868 KB Output is correct
30 Correct 133 ms 15564 KB Output is correct
31 Correct 139 ms 15952 KB Output is correct
32 Correct 147 ms 17620 KB Output is correct
33 Correct 151 ms 17472 KB Output is correct
34 Correct 153 ms 17560 KB Output is correct
35 Correct 170 ms 17956 KB Output is correct