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

towers

#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;
}

Subtask #1

0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4049 ms	1356 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2

11.0 / 11.0

#	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

Subtask #3

0 / 12.0

#	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	-

Subtask #4

0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4059 ms	1480 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	4074 ms	844 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 19.0

#	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	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4049 ms	1356 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-