oj.uz

Submission #588422

# Submission time Handle Problem Language Result Execution time Memory
588422 2022-07-03T09:18:18 Z MilosMilutinovic Kutije (COCI21_kutije) C++14
70 / 70
 161 ms 9464 KB 
/**
 *    author:  wxhtzdy
 *    created: 03.07.2022 11:16:52
**/
#include <bits/stdc++.h>

using namespace std;

class dsu {
  public:
  vector<int> p;
  int n;
  dsu(int _n) : n(_n) {
    p.resize(n);
    iota(p.begin(), p.end(), 0);
  }
  inline int get(int x) {
    return (x == p[x] ? x : (p[x] = get(p[x])));
  }
  inline bool unite(int x, int y) {
    x = get(x);
    y = get(y);
    if (x != y) {
      p[x] = y;
      return true;
    }
    return false;
  }
};

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);  
  int n, m, q;
  cin >> n >> m >> q;
  dsu d(n);
  for (int i = 0; i < m; i++) {
    for (int j = 0; j < n; j++) {
      int x;
      cin >> x;
      --x;
      d.unite(j, x);
    }
  }
  while (q--) {
    int a, b;
    cin >> a >> b;
    --a; --b;
    cout << (d.get(a) == d.get(b) ? "DA" : "NE") << '\n';
  }                                                    
  return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 5632 KB Output is correct
2 Correct 73 ms 4916 KB Output is correct
3 Correct 70 ms 4632 KB Output is correct
4 Correct 79 ms 5584 KB Output is correct
5 Correct 84 ms 5624 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 352 KB Output is correct
12 Correct 1 ms 352 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 5632 KB Output is correct
2 Correct 73 ms 4916 KB Output is correct
3 Correct 70 ms 4632 KB Output is correct
4 Correct 79 ms 5584 KB Output is correct
5 Correct 84 ms 5624 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 352 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 148 ms 9420 KB Output is correct
27 Correct 141 ms 9464 KB Output is correct
28 Correct 142 ms 7748 KB Output is correct
29 Correct 152 ms 9040 KB Output is correct
30 Correct 129 ms 8036 KB Output is correct
31 Correct 123 ms 7968 KB Output is correct
32 Correct 154 ms 9384 KB Output is correct
33 Correct 150 ms 9412 KB Output is correct
34 Correct 148 ms 9388 KB Output is correct
35 Correct 161 ms 9356 KB Output is correct