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Submission #1006648

# Submission time Handle Problem Language Result Execution time Memory
1006648 2024-06-24T06:24:48 Z MilosMilutinovic Flooding Wall (BOI24_wall) C++14
8 / 100
 325 ms 596 KB 
#include <bits/stdc++.h>

using namespace std;

const int md = 1e9 + 7;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<int> b(n);
  for (int i = 0; i < n; i++) {
    cin >> b[i];
  }
  int res = 0;
  for (int mask = 0; mask < (1 << n); mask++) {
    vector<int> f;
    for (int i = 0; i < n; i++) {
      if (mask >> i & 1) {
        f.push_back(a[i]);
      } else {
        f.push_back(b[i]);
      }
    }
    vector<int> L(n);
    for (int i = 0; i < n; i++) {
      L[i] = max(i == 0 ? 0 : L[i - 1], f[i]);
    }
    vector<int> R(n);
    for (int i = n - 1; i >= 0; i--) {
      R[i] = max(i == n - 1 ? 0 : R[i + 1], f[i]);
    }
    for (int i = 1; i + 1 < n; i++) {
      res += max(0, min(L[i - 1], R[i + 1]) - f[i]);
      res %= md;
    }
  }
  cout << res << '\n';
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 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 348 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 268 ms 348 KB Output is correct
12 Correct 8 ms 344 KB Output is correct
13 Correct 315 ms 428 KB Output is correct
14 Correct 10 ms 344 KB Output is correct
15 Correct 259 ms 428 KB Output is correct
16 Correct 282 ms 596 KB Output is correct
17 Correct 284 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 33 ms 344 KB Output is correct
21 Correct 325 ms 344 KB Output is correct
22 Correct 138 ms 348 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 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 456 KB Output is correct
10 Correct 0 ms 404 KB Output is correct
11 Correct 261 ms 432 KB Output is correct
12 Correct 9 ms 348 KB Output is correct
13 Correct 293 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Incorrect 0 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 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 456 KB Output is correct
10 Correct 0 ms 404 KB Output is correct
11 Correct 261 ms 432 KB Output is correct
12 Correct 9 ms 348 KB Output is correct
13 Correct 293 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Incorrect 0 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 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 348 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 268 ms 348 KB Output is correct
12 Correct 8 ms 344 KB Output is correct
13 Correct 315 ms 428 KB Output is correct
14 Correct 10 ms 344 KB Output is correct
15 Correct 259 ms 428 KB Output is correct
16 Correct 282 ms 596 KB Output is correct
17 Correct 284 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 33 ms 344 KB Output is correct
21 Correct 325 ms 344 KB Output is correct
22 Correct 138 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 452 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 456 KB Output is correct
32 Correct 0 ms 404 KB Output is correct
33 Correct 261 ms 432 KB Output is correct
34 Correct 9 ms 348 KB Output is correct
35 Correct 293 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Incorrect 0 ms 348 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 356 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 294 ms 436 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 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 348 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 268 ms 348 KB Output is correct
12 Correct 8 ms 344 KB Output is correct
13 Correct 315 ms 428 KB Output is correct
14 Correct 10 ms 344 KB Output is correct
15 Correct 259 ms 428 KB Output is correct
16 Correct 282 ms 596 KB Output is correct
17 Correct 284 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 33 ms 344 KB Output is correct
21 Correct 325 ms 344 KB Output is correct
22 Correct 138 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 452 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 456 KB Output is correct
32 Correct 0 ms 404 KB Output is correct
33 Correct 261 ms 432 KB Output is correct
34 Correct 9 ms 348 KB Output is correct
35 Correct 293 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Incorrect 0 ms 348 KB Output isn't correct
38 Halted 0 ms 0 KB -