Submission #628479

# Submission time Handle Problem Language Result Execution time Memory
628479 2022-08-13T12:20:57 Z 600Mihnea Radio Towers (IOI22_towers) C++17
11 / 100
4000 ms 1856 KB
#include "towers.h"
#include <bits/stdc++.h>

using namespace std;

int glob_n;
vector<int> glob_h;

void init(int nn, vector<int> hh) {
  glob_n = nn;
  glob_h = hh;
}

int max_towers(int l, int r, int d) {
  assert(0 <= l && l <= r && r < glob_n);
  vector<int> inds;
  for (int i = l; i <= r; i++) {
    inds.push_back(i);
  }
  sort(inds.begin(), inds.end(), [&] (int i, int j) {
       return glob_h[i] < glob_h[j];});
  vector<bool> used(r - l + 1, 0);
  int solution = 0;
  for (auto &i : inds) {
    bool ok = 1;
    int mx = 0;
    for (int j = i + 1; j <= r && ok; j++) {
      if (used[j - l] && mx < glob_h[i] + d) {
        ok = 0;
      }
      mx = max(mx, glob_h[j]);
    }
    mx = 0;
    for (int j = i - 1; j >= l && ok; j--) {
      if (used[j - l] && mx < glob_h[i] + d) {
        ok = 0;
      }
      mx = max(mx, glob_h[j]);
    }
    solution += ok;
    used[i - l] = ok;
  }
  return solution;
}
# Verdict Execution time Memory Grader output
1 Execution timed out 4049 ms 1356 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 4 ms 216 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 5 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 2 ms 208 KB Output is correct
27 Correct 3 ms 208 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 4 ms 208 KB Output is correct
30 Correct 2 ms 208 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 5 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 5 ms 328 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 4 ms 216 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 5 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 2 ms 208 KB Output is correct
27 Correct 3 ms 208 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 4 ms 208 KB Output is correct
30 Correct 2 ms 208 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 5 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 5 ms 328 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 365 ms 1076 KB Output is correct
37 Correct 246 ms 1480 KB Output is correct
38 Correct 141 ms 1436 KB Output is correct
39 Correct 60 ms 1352 KB Output is correct
40 Correct 184 ms 1448 KB Output is correct
41 Execution timed out 4046 ms 1856 KB Time limit exceeded
42 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 4059 ms 1480 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 4074 ms 844 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 4 ms 216 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 5 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 2 ms 208 KB Output is correct
27 Correct 3 ms 208 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 4 ms 208 KB Output is correct
30 Correct 2 ms 208 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 5 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 5 ms 328 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 365 ms 1076 KB Output is correct
37 Correct 246 ms 1480 KB Output is correct
38 Correct 141 ms 1436 KB Output is correct
39 Correct 60 ms 1352 KB Output is correct
40 Correct 184 ms 1448 KB Output is correct
41 Execution timed out 4046 ms 1856 KB Time limit exceeded
42 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 4049 ms 1356 KB Time limit exceeded
2 Halted 0 ms 0 KB -