답안 #1022882

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1022882	2024-07-14T07:08:14 Z	mansur	송신탑 (IOI22_towers)	C++17	15 / 100	4000 ms	1604 KB

towers

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

using namespace std;

#define rall(s) s.rbegin(), s.rend()
#define all(s) s.begin(), s.end()
#define sz(s) (int)s.size()
#define s second 
#define f first 

using ll = long long;
using pii = pair<int, int>; 
using pll = pair<ll, ll>;

vector<int> h;
int n, k, ok = 1;
const int inf = 1e9;

void init(int N, vector<int> H) {
    n = N, h = H;
    k = n - 1;
    for (int i = 1; i < n; i++) {
        if (h[i] < h[i - 1]) {
            k = i - 1;
            break;
        }
    }
    for (int i = 1; i < k; i++) {
        if (h[i - 1] > h[i]) ok = 0;
    }
    for (int i = k + 1; i < n; i++) {
        if (h[i - 1] < h[i]) ok = 0;
    }
}

int f(int l, int r, int d, int mx) {
    if (r < l) return 0;
    if (l == r) return (h[l] <= mx);
    int pos = l, is = 0;
    for (int i = l; i <= r; i++) {
        if (h[i] > h[pos]) pos = i;
        if (h[i] <= mx) is = 1;
    }
    if (!is) return 0;
    if (pos == l) return f(l + 1, r, d, mx);
    if (pos == r) return f(l, r - 1, d, mx);
    return max(1, f(l, pos - 1, d, min(mx, h[pos] - d)) + f(pos + 1, r, d, min(mx, h[pos] - d)));
}

int max_towers(int l, int r, int d) {
    if (ok) {
        if (k == -1) return 1;
        if (k <= l || r <= k) return 1;
        if (h[l] > h[k] - d || h[r] > h[k] - d) return 1;
        return 2;
    }
    return f(l, r, d, inf);
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	326 ms	1112 KB	Output is correct
2	Correct	677 ms	1368 KB	Output is correct
3	Correct	666 ms	1368 KB	Output is correct
4	Correct	727 ms	1368 KB	Output is correct
5	Correct	671 ms	1368 KB	Output is correct
6	Correct	658 ms	1368 KB	Output is correct
7	Correct	648 ms	1596 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	4 ms	452 KB	Output is correct
35	Correct	5 ms	344 KB	Output is correct

Subtask #3
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	4 ms	452 KB	Output is correct
35	Correct	5 ms	344 KB	Output is correct
36	Correct	7 ms	1112 KB	Output is correct
37	Correct	12 ms	1368 KB	Output is correct
38	Correct	10 ms	1596 KB	Output is correct
39	Correct	10 ms	1368 KB	Output is correct
40	Correct	9 ms	1592 KB	Output is correct
41	Correct	13 ms	1368 KB	Output is correct
42	Correct	9 ms	1368 KB	Output is correct
43	Correct	16 ms	1368 KB	Output is correct
44	Correct	8 ms	1368 KB	Output is correct
45	Correct	17 ms	1368 KB	Output is correct
46	Correct	11 ms	1368 KB	Output is correct
47	Correct	13 ms	1368 KB	Output is correct
48	Correct	10 ms	1368 KB	Output is correct
49	Correct	9 ms	1600 KB	Output is correct
50	Correct	11 ms	1368 KB	Output is correct
51	Correct	2021 ms	1368 KB	Output is correct
52	Correct	17 ms	1368 KB	Output is correct
53	Correct	14 ms	1368 KB	Output is correct
54	Correct	14 ms	1604 KB	Output is correct
55	Correct	9 ms	1368 KB	Output is correct
56	Execution timed out	4093 ms	1364 KB	Time limit exceeded
57	Halted	0 ms	0 KB	-

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4025 ms	1368 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	4077 ms	600 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	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	4 ms	452 KB	Output is correct
35	Correct	5 ms	344 KB	Output is correct
36	Correct	7 ms	1112 KB	Output is correct
37	Correct	12 ms	1368 KB	Output is correct
38	Correct	10 ms	1596 KB	Output is correct
39	Correct	10 ms	1368 KB	Output is correct
40	Correct	9 ms	1592 KB	Output is correct
41	Correct	13 ms	1368 KB	Output is correct
42	Correct	9 ms	1368 KB	Output is correct
43	Correct	16 ms	1368 KB	Output is correct
44	Correct	8 ms	1368 KB	Output is correct
45	Correct	17 ms	1368 KB	Output is correct
46	Correct	11 ms	1368 KB	Output is correct
47	Correct	13 ms	1368 KB	Output is correct
48	Correct	10 ms	1368 KB	Output is correct
49	Correct	9 ms	1600 KB	Output is correct
50	Correct	11 ms	1368 KB	Output is correct
51	Correct	2021 ms	1368 KB	Output is correct
52	Correct	17 ms	1368 KB	Output is correct
53	Correct	14 ms	1368 KB	Output is correct
54	Correct	14 ms	1604 KB	Output is correct
55	Correct	9 ms	1368 KB	Output is correct
56	Execution timed out	4093 ms	1364 KB	Time limit exceeded
57	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	326 ms	1112 KB	Output is correct
2	Correct	677 ms	1368 KB	Output is correct
3	Correct	666 ms	1368 KB	Output is correct
4	Correct	727 ms	1368 KB	Output is correct
5	Correct	671 ms	1368 KB	Output is correct
6	Correct	658 ms	1368 KB	Output is correct
7	Correct	648 ms	1596 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	5 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	1 ms	344 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	1 ms	344 KB	Output is correct
41	Correct	1 ms	344 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	0 ms	344 KB	Output is correct
44	Correct	4 ms	452 KB	Output is correct
45	Correct	5 ms	344 KB	Output is correct
46	Correct	7 ms	1112 KB	Output is correct
47	Correct	12 ms	1368 KB	Output is correct
48	Correct	10 ms	1596 KB	Output is correct
49	Correct	10 ms	1368 KB	Output is correct
50	Correct	9 ms	1592 KB	Output is correct
51	Correct	13 ms	1368 KB	Output is correct
52	Correct	9 ms	1368 KB	Output is correct
53	Correct	16 ms	1368 KB	Output is correct
54	Correct	8 ms	1368 KB	Output is correct
55	Correct	17 ms	1368 KB	Output is correct
56	Correct	11 ms	1368 KB	Output is correct
57	Correct	13 ms	1368 KB	Output is correct
58	Correct	10 ms	1368 KB	Output is correct
59	Correct	9 ms	1600 KB	Output is correct
60	Correct	11 ms	1368 KB	Output is correct
61	Correct	2021 ms	1368 KB	Output is correct
62	Correct	17 ms	1368 KB	Output is correct
63	Correct	14 ms	1368 KB	Output is correct
64	Correct	14 ms	1604 KB	Output is correct
65	Correct	9 ms	1368 KB	Output is correct
66	Execution timed out	4093 ms	1364 KB	Time limit exceeded
67	Halted	0 ms	0 KB	-

답안 #1022882

Compilation message

Subtask #1 4.0 / 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
4.0 / 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