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Submission #797288

# Submission time Handle Problem Language Result Execution time Memory
797288 2023-07-29T08:49:53 Z radaiosm7 Duathlon (APIO18_duathlon) C++
5 / 100
 51 ms 468 KB 
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
int n, m, i, j, k, a, b, ans, s;
int mat[15][15];
vector<int> adj[15];
bool visited[15];

void dfs(int k, int x) {
  visited[x] = true;

  for (auto y : adj[x]) {
    if (!visited[y] && (__builtin_popcount(s & (1 << y)) == k)) dfs(k, y);
  }
}

int main() {
  scanf("%d%d", &n, &m);
  for (i=1; i <= n; ++i) for (j=1; j <= n; ++j) mat[i][j] = 0;

  for (i=0; i < m; ++i) {
    scanf("%d%d", &a, &b);
    mat[a][b] = 1;
    mat[b][a] = 1;
    adj[a].push_back(b);
    adj[b].push_back(a);
  }

  ans = 0;

  for (i=1; i <= n; ++i) {
    for (j=1; j <= n; ++j) {
      if (i == j) continue;
      for (k=1; k <= n; ++k) {
        if (k == i || k == j) continue;

        for (s=0; s < (1 << (n+1)); ++s) {
          fill(visited, visited+n+1, false);
          dfs(0, j);
          if (!visited[i]) continue;
          fill(visited, visited+n+1, false);
          dfs(1, j);
          if (!visited[k]) continue;
          ++ans;
          break;
        }
      }
    }
  }

  printf("%d\n", ans);
  return 0;
}

Compilation message

count_triplets.cpp: In function 'int main()':
count_triplets.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
count_triplets.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     scanf("%d%d", &a, &b);
      |     ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 9 ms 296 KB Output is correct
7 Correct 35 ms 212 KB Output is correct
8 Correct 47 ms 284 KB Output is correct
9 Correct 33 ms 212 KB Output is correct
10 Correct 48 ms 280 KB Output is correct
11 Correct 41 ms 212 KB Output is correct
12 Correct 38 ms 212 KB Output is correct
13 Correct 51 ms 212 KB Output is correct
14 Correct 31 ms 212 KB Output is correct
15 Correct 32 ms 284 KB Output is correct
16 Correct 31 ms 212 KB Output is correct
17 Correct 25 ms 212 KB Output is correct
18 Correct 28 ms 280 KB Output is correct
19 Correct 16 ms 304 KB Output is correct
20 Correct 14 ms 304 KB Output is correct
21 Correct 10 ms 300 KB Output is correct
22 Correct 44 ms 212 KB Output is correct
23 Correct 15 ms 212 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 15 ms 212 KB Output is correct
26 Correct 42 ms 212 KB Output is correct
27 Correct 5 ms 212 KB Output is correct
28 Correct 15 ms 212 KB Output is correct
29 Correct 35 ms 284 KB Output is correct
30 Correct 4 ms 212 KB Output is correct
31 Correct 11 ms 212 KB Output is correct
32 Correct 47 ms 212 KB Output is correct
33 Correct 12 ms 304 KB Output is correct
34 Correct 9 ms 300 KB Output is correct
35 Correct 21 ms 212 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 9 ms 296 KB Output is correct
7 Correct 35 ms 212 KB Output is correct
8 Correct 47 ms 284 KB Output is correct
9 Correct 33 ms 212 KB Output is correct
10 Correct 48 ms 280 KB Output is correct
11 Correct 41 ms 212 KB Output is correct
12 Correct 38 ms 212 KB Output is correct
13 Correct 51 ms 212 KB Output is correct
14 Correct 31 ms 212 KB Output is correct
15 Correct 32 ms 284 KB Output is correct
16 Correct 31 ms 212 KB Output is correct
17 Correct 25 ms 212 KB Output is correct
18 Correct 28 ms 280 KB Output is correct
19 Correct 16 ms 304 KB Output is correct
20 Correct 14 ms 304 KB Output is correct
21 Correct 10 ms 300 KB Output is correct
22 Correct 44 ms 212 KB Output is correct
23 Correct 15 ms 212 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 15 ms 212 KB Output is correct
26 Correct 42 ms 212 KB Output is correct
27 Correct 5 ms 212 KB Output is correct
28 Correct 15 ms 212 KB Output is correct
29 Correct 35 ms 284 KB Output is correct
30 Correct 4 ms 212 KB Output is correct
31 Correct 11 ms 212 KB Output is correct
32 Correct 47 ms 212 KB Output is correct
33 Correct 12 ms 304 KB Output is correct
34 Correct 9 ms 300 KB Output is correct
35 Correct 21 ms 212 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Incorrect 0 ms 212 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 440 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 9 ms 296 KB Output is correct
7 Correct 35 ms 212 KB Output is correct
8 Correct 47 ms 284 KB Output is correct
9 Correct 33 ms 212 KB Output is correct
10 Correct 48 ms 280 KB Output is correct
11 Correct 41 ms 212 KB Output is correct
12 Correct 38 ms 212 KB Output is correct
13 Correct 51 ms 212 KB Output is correct
14 Correct 31 ms 212 KB Output is correct
15 Correct 32 ms 284 KB Output is correct
16 Correct 31 ms 212 KB Output is correct
17 Correct 25 ms 212 KB Output is correct
18 Correct 28 ms 280 KB Output is correct
19 Correct 16 ms 304 KB Output is correct
20 Correct 14 ms 304 KB Output is correct
21 Correct 10 ms 300 KB Output is correct
22 Correct 44 ms 212 KB Output is correct
23 Correct 15 ms 212 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 15 ms 212 KB Output is correct
26 Correct 42 ms 212 KB Output is correct
27 Correct 5 ms 212 KB Output is correct
28 Correct 15 ms 212 KB Output is correct
29 Correct 35 ms 284 KB Output is correct
30 Correct 4 ms 212 KB Output is correct
31 Correct 11 ms 212 KB Output is correct
32 Correct 47 ms 212 KB Output is correct
33 Correct 12 ms 304 KB Output is correct
34 Correct 9 ms 300 KB Output is correct
35 Correct 21 ms 212 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Incorrect 0 ms 212 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 9 ms 296 KB Output is correct
7 Correct 35 ms 212 KB Output is correct
8 Correct 47 ms 284 KB Output is correct
9 Correct 33 ms 212 KB Output is correct
10 Correct 48 ms 280 KB Output is correct
11 Correct 41 ms 212 KB Output is correct
12 Correct 38 ms 212 KB Output is correct
13 Correct 51 ms 212 KB Output is correct
14 Correct 31 ms 212 KB Output is correct
15 Correct 32 ms 284 KB Output is correct
16 Correct 31 ms 212 KB Output is correct
17 Correct 25 ms 212 KB Output is correct
18 Correct 28 ms 280 KB Output is correct
19 Correct 16 ms 304 KB Output is correct
20 Correct 14 ms 304 KB Output is correct
21 Correct 10 ms 300 KB Output is correct
22 Correct 44 ms 212 KB Output is correct
23 Correct 15 ms 212 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 15 ms 212 KB Output is correct
26 Correct 42 ms 212 KB Output is correct
27 Correct 5 ms 212 KB Output is correct
28 Correct 15 ms 212 KB Output is correct
29 Correct 35 ms 284 KB Output is correct
30 Correct 4 ms 212 KB Output is correct
31 Correct 11 ms 212 KB Output is correct
32 Correct 47 ms 212 KB Output is correct
33 Correct 12 ms 304 KB Output is correct
34 Correct 9 ms 300 KB Output is correct
35 Correct 21 ms 212 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Incorrect 0 ms 212 KB Output isn't correct
38 Halted 0 ms 0 KB -