답안 #625587

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
625587	2022-08-10T15:24:38 Z	d4xn	송신탑 (IOI22_towers)	C++17	11 / 100	4000 ms	2240 KB

towers

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

#define ll long long
#define vi vector<int>
#define ii pair<int, int>
#define vii vector<ii>

int n;
vi v;

void init(int N, std::vector<int> H) {
  n = N;
  v.resize(n);
  for (int i = 0; i < n; i++) v[i] = H[i];
}

int max_towers(int L, int R, int D) {
  int l = L;
  int r = R;
  int d = D;

  vii s(r-l+1);
  for (int i = l; i <= r; i++) {
    s[i-l] = make_pair(v[i], i);
  }
  sort(s.begin(), s.end());

  vi ok(n, 0);
  int ans = 0;
  for (int i = 0; i < r-l+1; i++) {
    int h = s[i].first;
    int idx = s[i].second;
    if (ok[idx] == ans) {
      ans++;

      int mx;
      if (idx+1 < n) mx = v[idx+1];
      for (int j = idx+2; j <= r; j++) {
        if (max(h, v[j]) + d <= mx) ok[j]++;
        mx = max(mx, v[j]);
      }

      if (idx-1 >= 0) mx = v[idx-1];
      for (int j = idx-2; j >= l; j--) {
        if (max(h, v[j]) + d <= mx) ok[j]++;
        mx = max(mx, v[j]);
      }
    }
  }
  return ans;
}

Compilation message

towers.cpp: In function 'int max_towers(int, int, int)':
towers.cpp:38:11: warning: 'mx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |       int mx;
      |           ^~

Subtask #1
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4045 ms	1456 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	3 ms	208 KB	Output is correct
3	Correct	2 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	2 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	3 ms	208 KB	Output is correct
21	Correct	3 ms	208 KB	Output is correct
22	Correct	4 ms	208 KB	Output is correct
23	Correct	1 ms	208 KB	Output is correct
24	Correct	1 ms	208 KB	Output is correct
25	Correct	0 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	336 KB	Output is correct
29	Correct	2 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	1 ms	208 KB	Output is correct
33	Correct	1 ms	208 KB	Output is correct
34	Correct	1 ms	208 KB	Output is correct
35	Correct	1 ms	208 KB	Output is correct

Subtask #3
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	3 ms	208 KB	Output is correct
3	Correct	2 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	2 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	3 ms	208 KB	Output is correct
21	Correct	3 ms	208 KB	Output is correct
22	Correct	4 ms	208 KB	Output is correct
23	Correct	1 ms	208 KB	Output is correct
24	Correct	1 ms	208 KB	Output is correct
25	Correct	0 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	336 KB	Output is correct
29	Correct	2 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	1 ms	208 KB	Output is correct
33	Correct	1 ms	208 KB	Output is correct
34	Correct	1 ms	208 KB	Output is correct
35	Correct	1 ms	208 KB	Output is correct
36	Correct	205 ms	1196 KB	Output is correct
37	Correct	385 ms	1716 KB	Output is correct
38	Correct	170 ms	1556 KB	Output is correct
39	Correct	48 ms	1688 KB	Output is correct
40	Correct	224 ms	1440 KB	Output is correct
41	Correct	2101 ms	2064 KB	Output is correct
42	Correct	20 ms	1440 KB	Output is correct
43	Correct	13 ms	1812 KB	Output is correct
44	Correct	10 ms	1560 KB	Output is correct
45	Correct	11 ms	1440 KB	Output is correct
46	Correct	14 ms	1448 KB	Output is correct
47	Correct	554 ms	1744 KB	Output is correct
48	Correct	301 ms	1712 KB	Output is correct
49	Correct	57 ms	1436 KB	Output is correct
50	Correct	10 ms	1580 KB	Output is correct
51	Correct	19 ms	1700 KB	Output is correct
52	Execution timed out	4033 ms	2240 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4072 ms	1892 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4035 ms	820 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	3 ms	208 KB	Output is correct
3	Correct	2 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	2 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	3 ms	208 KB	Output is correct
21	Correct	3 ms	208 KB	Output is correct
22	Correct	4 ms	208 KB	Output is correct
23	Correct	1 ms	208 KB	Output is correct
24	Correct	1 ms	208 KB	Output is correct
25	Correct	0 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	336 KB	Output is correct
29	Correct	2 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	1 ms	208 KB	Output is correct
33	Correct	1 ms	208 KB	Output is correct
34	Correct	1 ms	208 KB	Output is correct
35	Correct	1 ms	208 KB	Output is correct
36	Correct	205 ms	1196 KB	Output is correct
37	Correct	385 ms	1716 KB	Output is correct
38	Correct	170 ms	1556 KB	Output is correct
39	Correct	48 ms	1688 KB	Output is correct
40	Correct	224 ms	1440 KB	Output is correct
41	Correct	2101 ms	2064 KB	Output is correct
42	Correct	20 ms	1440 KB	Output is correct
43	Correct	13 ms	1812 KB	Output is correct
44	Correct	10 ms	1560 KB	Output is correct
45	Correct	11 ms	1440 KB	Output is correct
46	Correct	14 ms	1448 KB	Output is correct
47	Correct	554 ms	1744 KB	Output is correct
48	Correct	301 ms	1712 KB	Output is correct
49	Correct	57 ms	1436 KB	Output is correct
50	Correct	10 ms	1580 KB	Output is correct
51	Correct	19 ms	1700 KB	Output is correct
52	Execution timed out	4033 ms	2240 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4045 ms	1456 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

답안 #625587

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 0 / 12.0

Subtask #4 0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
0 / 12.0

Subtask #4
0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0