oj.uz

Submission #1051400

# Submission time Handle Problem Language Result Execution time Memory
1051400 2024-08-10T06:04:26 Z NeroZein Flooding Wall (BOI24_wall) C++17
8 / 100
 369 ms 600 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define debug(...)
#endif

const int md = (int) 1e9 + 7;

void add(int& x, int y) {
  x += y;
  if (x >= md) {
    x -= md; 
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  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 water = 0; 
  for (int mask = 0; mask < (1 << n); ++mask) {
    vector<int> c(n); 
    for (int i = 0; i < n; ++i) {
      c[i] = (mask >> i & 1 ? b[i] : a[i]); 
    }
    vector<bool> mark(n); 
    for (int i = 0, mx = 0; i < n; ++i) {
      if (c[i] > mx) {
        mark[i] = true; 
        mx = c[i];
      }
    }
    for (int i = n - 1, mx = 0; i >= 0; --i) {
      if (c[i] > mx) {
        mark[i] = true;
        mx = c[i];
      }
    }
    vector<int> d(n); 
    for (int i = 0; i < n; ++i) {
      for (int j = i; j >= 0; --j) {
        if (mark[j]) {
          d[i] = c[j];
          break;
        }
      }
      for (int j = i; j < n; ++j) {
        if (mark[j]) {
          d[i] = min(d[i], c[j]);
          break; 
        }
      }
      add(water, d[i] - c[i]);
    }
  }
  cout << water << '\n';
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 460 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 344 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 1 ms 348 KB Output is correct
11 Correct 248 ms 436 KB Output is correct
12 Correct 7 ms 456 KB Output is correct
13 Correct 361 ms 432 KB Output is correct
14 Correct 7 ms 456 KB Output is correct
15 Correct 362 ms 436 KB Output is correct
16 Correct 272 ms 432 KB Output is correct
17 Correct 369 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 38 ms 428 KB Output is correct
21 Correct 340 ms 348 KB Output is correct
22 Correct 151 ms 344 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 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 326 ms 348 KB Output is correct
12 Correct 7 ms 344 KB Output is correct
13 Correct 287 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Incorrect 0 ms 600 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 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 326 ms 348 KB Output is correct
12 Correct 7 ms 344 KB Output is correct
13 Correct 287 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Incorrect 0 ms 600 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 352 KB Output is correct
2 Correct 1 ms 460 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 344 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 1 ms 348 KB Output is correct
11 Correct 248 ms 436 KB Output is correct
12 Correct 7 ms 456 KB Output is correct
13 Correct 361 ms 432 KB Output is correct
14 Correct 7 ms 456 KB Output is correct
15 Correct 362 ms 436 KB Output is correct
16 Correct 272 ms 432 KB Output is correct
17 Correct 369 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 38 ms 428 KB Output is correct
21 Correct 340 ms 348 KB Output is correct
22 Correct 151 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 326 ms 348 KB Output is correct
34 Correct 7 ms 344 KB Output is correct
35 Correct 287 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Incorrect 0 ms 600 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 348 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 347 ms 440 KB Output is correct
7 Correct 7 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 352 KB Output is correct
2 Correct 1 ms 460 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 344 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 1 ms 348 KB Output is correct
11 Correct 248 ms 436 KB Output is correct
12 Correct 7 ms 456 KB Output is correct
13 Correct 361 ms 432 KB Output is correct
14 Correct 7 ms 456 KB Output is correct
15 Correct 362 ms 436 KB Output is correct
16 Correct 272 ms 432 KB Output is correct
17 Correct 369 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 38 ms 428 KB Output is correct
21 Correct 340 ms 348 KB Output is correct
22 Correct 151 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 326 ms 348 KB Output is correct
34 Correct 7 ms 344 KB Output is correct
35 Correct 287 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Incorrect 0 ms 600 KB Output isn't correct
38 Halted 0 ms 0 KB -