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Submission #985958

# Submission time Handle Problem Language Result Execution time Memory
985958 2024-05-19T12:09:01 Z duckindog Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 75 ms 10108 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 18 + 10,
          M = 998'244'353;
int n, m;
 
int32_t main() { 
  cin.tie(0)->sync_with_stdio(0);
 
  cin >> n >> m;
  vector<int> a(m + 1), b(m + 1);
  for (int i = 1; i <= m; ++i) cin >> a[i] >> b[i];
 
  long long answer = 0;
  vector<int> vt(n); iota(vt.begin(), vt.end(), 1);
  unordered_map<long long, bool> mk;
  
  do { 
    vector<int> p(n + 1);  
    for (int i = 0; i < n; ++i) p[vt[i]] = i;
    long long mask = 0;
    for (int i = 1; i <= m; ++i) if (p[a[i]] > p[b[i]]) mask |= (1 << i - 1);
    if (!mk[mask]) {
      answer += __builtin_popcount(mask);
      mk[mask] = true;
    }
  } while (next_permutation(vt.begin(), vt.end()));
  cout << answer % M << "\n";
}

Compilation message

amusementpark.cpp: In function 'int32_t main()':
amusementpark.cpp:24:73: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   24 |     for (int i = 1; i <= m; ++i) if (p[a[i]] > p[b[i]]) mask |= (1 << i - 1);
      |                                                                       ~~^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 360 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 360 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 5 ms 940 KB Output is correct
36 Correct 5 ms 856 KB Output is correct
37 Correct 7 ms 1464 KB Output is correct
38 Correct 9 ms 1976 KB Output is correct
39 Correct 13 ms 456 KB Output is correct
40 Correct 17 ms 460 KB Output is correct
41 Correct 21 ms 516 KB Output is correct
42 Correct 25 ms 604 KB Output is correct
43 Correct 32 ms 1624 KB Output is correct
44 Correct 40 ms 2736 KB Output is correct
45 Correct 52 ms 5312 KB Output is correct
46 Correct 70 ms 10108 KB Output is correct
47 Incorrect 75 ms 9936 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 360 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 5 ms 940 KB Output is correct
36 Correct 5 ms 856 KB Output is correct
37 Correct 7 ms 1464 KB Output is correct
38 Correct 9 ms 1976 KB Output is correct
39 Correct 13 ms 456 KB Output is correct
40 Correct 17 ms 460 KB Output is correct
41 Correct 21 ms 516 KB Output is correct
42 Correct 25 ms 604 KB Output is correct
43 Correct 32 ms 1624 KB Output is correct
44 Correct 40 ms 2736 KB Output is correct
45 Correct 52 ms 5312 KB Output is correct
46 Correct 70 ms 10108 KB Output is correct
47 Incorrect 75 ms 9936 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 360 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 5 ms 940 KB Output is correct
36 Correct 5 ms 856 KB Output is correct
37 Correct 7 ms 1464 KB Output is correct
38 Correct 9 ms 1976 KB Output is correct
39 Correct 13 ms 456 KB Output is correct
40 Correct 17 ms 460 KB Output is correct
41 Correct 21 ms 516 KB Output is correct
42 Correct 25 ms 604 KB Output is correct
43 Correct 32 ms 1624 KB Output is correct
44 Correct 40 ms 2736 KB Output is correct
45 Correct 52 ms 5312 KB Output is correct
46 Correct 70 ms 10108 KB Output is correct
47 Incorrect 75 ms 9936 KB Output isn't correct
48 Halted 0 ms 0 KB -