답안 #873801

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
873801	2023-11-15T19:52:33 Z	qthang2k11	Bigger segments (IZhO19_segments)	C++17	100 / 100	73 ms	13080 KB

segments

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

using ll = long long;

const int N = 5e5 + 5;

ll a[N];
int n;

int dp[N], ans[N];

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	
	cin >> n;
	for (int i = 1; i <= n; i++)
		cin >> a[i], a[i] += a[i - 1];
	
	for (int i = 1; i <= n; i++) {
		dp[i] = max(dp[i - 1], dp[i]);
		ans[i] = ans[dp[i]] + 1;
		
		int pos = lower_bound(a + 1, a + n + 1, 2 * a[i] - a[dp[i]]) - a;
		dp[pos] = max(dp[pos], i);
	}
	
	cout << ans[n];
	
	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2904 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2512 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2904 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2512 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2416 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2504 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2904 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2512 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2416 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2504 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2392 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2400 KB	Output is correct
39	Correct	1 ms	2404 KB	Output is correct
40	Correct	2 ms	2492 KB	Output is correct
41	Correct	1 ms	2520 KB	Output is correct
42	Correct	1 ms	2400 KB	Output is correct
43	Correct	1 ms	2404 KB	Output is correct
44	Correct	1 ms	2392 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2904 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2512 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2416 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2504 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2392 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2400 KB	Output is correct
39	Correct	1 ms	2404 KB	Output is correct
40	Correct	2 ms	2492 KB	Output is correct
41	Correct	1 ms	2520 KB	Output is correct
42	Correct	1 ms	2400 KB	Output is correct
43	Correct	1 ms	2404 KB	Output is correct
44	Correct	1 ms	2392 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	7 ms	5464 KB	Output is correct
47	Correct	9 ms	5468 KB	Output is correct
48	Correct	12 ms	5980 KB	Output is correct
49	Correct	12 ms	5980 KB	Output is correct
50	Correct	13 ms	6040 KB	Output is correct
51	Correct	13 ms	5980 KB	Output is correct
52	Correct	7 ms	5296 KB	Output is correct
53	Correct	4 ms	2908 KB	Output is correct
54	Correct	9 ms	5360 KB	Output is correct
55	Correct	14 ms	6184 KB	Output is correct
56	Correct	10 ms	5464 KB	Output is correct
57	Correct	9 ms	5468 KB	Output is correct
58	Correct	11 ms	5468 KB	Output is correct
59	Correct	11 ms	5724 KB	Output is correct
60	Correct	12 ms	5724 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2904 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2512 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2416 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2504 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2392 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2400 KB	Output is correct
39	Correct	1 ms	2404 KB	Output is correct
40	Correct	2 ms	2492 KB	Output is correct
41	Correct	1 ms	2520 KB	Output is correct
42	Correct	1 ms	2400 KB	Output is correct
43	Correct	1 ms	2404 KB	Output is correct
44	Correct	1 ms	2392 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	7 ms	5464 KB	Output is correct
47	Correct	9 ms	5468 KB	Output is correct
48	Correct	12 ms	5980 KB	Output is correct
49	Correct	12 ms	5980 KB	Output is correct
50	Correct	13 ms	6040 KB	Output is correct
51	Correct	13 ms	5980 KB	Output is correct
52	Correct	7 ms	5296 KB	Output is correct
53	Correct	4 ms	2908 KB	Output is correct
54	Correct	9 ms	5360 KB	Output is correct
55	Correct	14 ms	6184 KB	Output is correct
56	Correct	10 ms	5464 KB	Output is correct
57	Correct	9 ms	5468 KB	Output is correct
58	Correct	11 ms	5468 KB	Output is correct
59	Correct	11 ms	5724 KB	Output is correct
60	Correct	12 ms	5724 KB	Output is correct
61	Correct	34 ms	10008 KB	Output is correct
62	Correct	36 ms	10200 KB	Output is correct
63	Correct	45 ms	10424 KB	Output is correct
64	Correct	62 ms	12628 KB	Output is correct
65	Correct	63 ms	13080 KB	Output is correct
66	Correct	73 ms	12988 KB	Output is correct
67	Correct	48 ms	10836 KB	Output is correct
68	Correct	24 ms	7740 KB	Output is correct
69	Correct	42 ms	9264 KB	Output is correct
70	Correct	61 ms	12944 KB	Output is correct
71	Correct	48 ms	10136 KB	Output is correct
72	Correct	44 ms	10576 KB	Output is correct
73	Correct	55 ms	11200 KB	Output is correct
74	Correct	55 ms	11348 KB	Output is correct
75	Correct	55 ms	11348 KB	Output is correct

답안 #873801

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0