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Submission #625468

# Submission time Handle Problem Language Result Execution time Memory
625468 2022-08-10T12:05:59 Z model_code Radio Towers (IOI22_towers) C++17
11 / 100
 4000 ms 1516 KB 
// time_limit/solution-quadratic.cpp
#include "towers.h"

#include <bits/stdc++.h>
using namespace std;

int N;
vector<int> H;
vector<bool> used;

void init(int _N, std::vector<int> _H) {
  N = _N;
  H = _H;
  used.resize(N);
}

int max_towers(int L, int R, int D) {
  vector<int> towers(R - L + 1);
  iota(towers.begin(), towers.end(), L);
  sort(towers.begin(), towers.end(), [&] (int i, int j) {
    return H[i] < H[j];
  });
  fill(used.begin() + L, used.begin() + R + 1, false);
  for (int i : towers) {
    bool can_use = true;
    for (int dir : {-1, 1}) {
      for (int j = i + dir; L <= j && j <= R && can_use; j += dir) {
        if (H[i] <= H[j] - D) {
          break;
        }
        if (used[j]) {
          can_use = false;
        }
      }
    }
    if (can_use) {
      used[i] = true;
    }
  }
  return count(used.begin() + L, used.begin() + R + 1, true);
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4074 ms 924 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 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 256 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 236 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 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 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 2 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 7 ms 208 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 208 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 4 ms 208 KB Output is correct
33 Correct 6 ms 208 KB Output is correct
34 Correct 5 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 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 256 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 236 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 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 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 2 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 7 ms 208 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 208 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 4 ms 208 KB Output is correct
33 Correct 6 ms 208 KB Output is correct
34 Correct 5 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct
36 Correct 12 ms 1060 KB Output is correct
37 Correct 17 ms 1452 KB Output is correct
38 Correct 20 ms 1508 KB Output is correct
39 Correct 27 ms 1420 KB Output is correct
40 Correct 23 ms 1464 KB Output is correct
41 Correct 24 ms 1516 KB Output is correct
42 Correct 24 ms 1432 KB Output is correct
43 Correct 2240 ms 1444 KB Output is correct
44 Correct 418 ms 1480 KB Output is correct
45 Correct 17 ms 1444 KB Output is correct
46 Correct 17 ms 1436 KB Output is correct
47 Correct 16 ms 1452 KB Output is correct
48 Correct 20 ms 1436 KB Output is correct
49 Correct 22 ms 1448 KB Output is correct
50 Correct 455 ms 1444 KB Output is correct
51 Correct 683 ms 1444 KB Output is correct
52 Correct 35 ms 1480 KB Output is correct
53 Correct 23 ms 1436 KB Output is correct
54 Correct 32 ms 1452 KB Output is correct
55 Execution timed out 4030 ms 1456 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4074 ms 1460 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4014 ms 576 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 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 256 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 236 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 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 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 2 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 7 ms 208 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 208 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 4 ms 208 KB Output is correct
33 Correct 6 ms 208 KB Output is correct
34 Correct 5 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct
36 Correct 12 ms 1060 KB Output is correct
37 Correct 17 ms 1452 KB Output is correct
38 Correct 20 ms 1508 KB Output is correct
39 Correct 27 ms 1420 KB Output is correct
40 Correct 23 ms 1464 KB Output is correct
41 Correct 24 ms 1516 KB Output is correct
42 Correct 24 ms 1432 KB Output is correct
43 Correct 2240 ms 1444 KB Output is correct
44 Correct 418 ms 1480 KB Output is correct
45 Correct 17 ms 1444 KB Output is correct
46 Correct 17 ms 1436 KB Output is correct
47 Correct 16 ms 1452 KB Output is correct
48 Correct 20 ms 1436 KB Output is correct
49 Correct 22 ms 1448 KB Output is correct
50 Correct 455 ms 1444 KB Output is correct
51 Correct 683 ms 1444 KB Output is correct
52 Correct 35 ms 1480 KB Output is correct
53 Correct 23 ms 1436 KB Output is correct
54 Correct 32 ms 1452 KB Output is correct
55 Execution timed out 4030 ms 1456 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4074 ms 924 KB Time limit exceeded
2 Halted 0 ms 0 KB -