Submission #764115

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
764115	2023-06-23T07:21:18 Z	dxz05	Radio Towers (IOI22_towers)	C++17	23 / 100	4000 ms	9036 KB

towers

#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx,avx2")

#include "towers.h"
#include <bits/stdc++.h>

using namespace std;

vector<int> a;
void init(int N, vector<int> H) {
    a = H;
}

int calc(int l, int r, int h, int d){
    if (l > r) return 0;
    if (r - l + 1 <= 2) return a[l] <= h || a[r] <= h;

    int ans = 0;
    int m = l;
    for (int i = l; i <= r; i++){
        if (a[i] > a[m]) m = i;
        if (a[i] <= h) ans = 1;
    }

    ans = max(ans, calc(l, m - 1, a[m] - d, d) + calc(m + 1, r, a[m] - d, d));

    return ans;
}

int max_towers(int L, int R, int D) {
    return calc(L, R, 2e9, D);
}

Subtask #1
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4021 ms	4384 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	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	300 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	336 KB	Output is correct
10	Correct	1 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 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	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	208 KB	Output is correct
21	Correct	1 ms	208 KB	Output is correct
22	Correct	1 ms	208 KB	Output is correct
23	Correct	2 ms	464 KB	Output is correct
24	Correct	2 ms	336 KB	Output is correct
25	Correct	0 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	2 ms	464 KB	Output is correct
33	Correct	2 ms	464 KB	Output is correct
34	Correct	2 ms	336 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct

Subtask #3
12.0 / 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	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	300 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	336 KB	Output is correct
10	Correct	1 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 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	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	208 KB	Output is correct
21	Correct	1 ms	208 KB	Output is correct
22	Correct	1 ms	208 KB	Output is correct
23	Correct	2 ms	464 KB	Output is correct
24	Correct	2 ms	336 KB	Output is correct
25	Correct	0 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	2 ms	464 KB	Output is correct
33	Correct	2 ms	464 KB	Output is correct
34	Correct	2 ms	336 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct
36	Correct	7 ms	976 KB	Output is correct
37	Correct	10 ms	1464 KB	Output is correct
38	Correct	11 ms	1420 KB	Output is correct
39	Correct	16 ms	1452 KB	Output is correct
40	Correct	16 ms	1436 KB	Output is correct
41	Correct	11 ms	1444 KB	Output is correct
42	Correct	9 ms	1444 KB	Output is correct
43	Correct	646 ms	4984 KB	Output is correct
44	Correct	58 ms	2024 KB	Output is correct
45	Correct	17 ms	1436 KB	Output is correct
46	Correct	10 ms	1352 KB	Output is correct
47	Correct	10 ms	1456 KB	Output is correct
48	Correct	10 ms	1448 KB	Output is correct
49	Correct	9 ms	1440 KB	Output is correct
50	Correct	136 ms	2660 KB	Output is correct
51	Correct	382 ms	4116 KB	Output is correct
52	Correct	18 ms	1360 KB	Output is correct
53	Correct	11 ms	1460 KB	Output is correct
54	Correct	11 ms	1440 KB	Output is correct
55	Correct	2401 ms	8828 KB	Output is correct
56	Correct	2117 ms	8120 KB	Output is correct
57	Correct	11 ms	1312 KB	Output is correct
58	Correct	12 ms	1436 KB	Output is correct
59	Correct	11 ms	1440 KB	Output is correct
60	Correct	11 ms	1456 KB	Output is correct
61	Correct	11 ms	1432 KB	Output is correct
62	Correct	12 ms	1440 KB	Output is correct
63	Correct	11 ms	1352 KB	Output is correct
64	Correct	2399 ms	9036 KB	Output is correct
65	Correct	2328 ms	8868 KB	Output is correct
66	Correct	1260 ms	5740 KB	Output is correct
67	Correct	2164 ms	8332 KB	Output is correct

Subtask #4
0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4040 ms	1448 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	4091 ms	464 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	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	300 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	336 KB	Output is correct
10	Correct	1 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 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	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	208 KB	Output is correct
21	Correct	1 ms	208 KB	Output is correct
22	Correct	1 ms	208 KB	Output is correct
23	Correct	2 ms	464 KB	Output is correct
24	Correct	2 ms	336 KB	Output is correct
25	Correct	0 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	2 ms	464 KB	Output is correct
33	Correct	2 ms	464 KB	Output is correct
34	Correct	2 ms	336 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct
36	Correct	7 ms	976 KB	Output is correct
37	Correct	10 ms	1464 KB	Output is correct
38	Correct	11 ms	1420 KB	Output is correct
39	Correct	16 ms	1452 KB	Output is correct
40	Correct	16 ms	1436 KB	Output is correct
41	Correct	11 ms	1444 KB	Output is correct
42	Correct	9 ms	1444 KB	Output is correct
43	Correct	646 ms	4984 KB	Output is correct
44	Correct	58 ms	2024 KB	Output is correct
45	Correct	17 ms	1436 KB	Output is correct
46	Correct	10 ms	1352 KB	Output is correct
47	Correct	10 ms	1456 KB	Output is correct
48	Correct	10 ms	1448 KB	Output is correct
49	Correct	9 ms	1440 KB	Output is correct
50	Correct	136 ms	2660 KB	Output is correct
51	Correct	382 ms	4116 KB	Output is correct
52	Correct	18 ms	1360 KB	Output is correct
53	Correct	11 ms	1460 KB	Output is correct
54	Correct	11 ms	1440 KB	Output is correct
55	Correct	2401 ms	8828 KB	Output is correct
56	Correct	2117 ms	8120 KB	Output is correct
57	Correct	11 ms	1312 KB	Output is correct
58	Correct	12 ms	1436 KB	Output is correct
59	Correct	11 ms	1440 KB	Output is correct
60	Correct	11 ms	1456 KB	Output is correct
61	Correct	11 ms	1432 KB	Output is correct
62	Correct	12 ms	1440 KB	Output is correct
63	Correct	11 ms	1352 KB	Output is correct
64	Correct	2399 ms	9036 KB	Output is correct
65	Correct	2328 ms	8868 KB	Output is correct
66	Correct	1260 ms	5740 KB	Output is correct
67	Correct	2164 ms	8332 KB	Output is correct
68	Execution timed out	4040 ms	1448 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4021 ms	4384 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Submission #764115

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 12.0 / 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
12.0 / 12.0

Subtask #4
0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0