Submission #255050

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
255050	2020-07-31T07:01:00 Z	ttnhuy313	Bigger segments (IZhO19_segments)	C++14	100 / 100	407 ms	130424 KB

segments

#include <bits/stdc++.h>

using namespace std;
#define int long long
typedef pair <int, int> ii;

const int N = 5e5 + 5, oo = 1e18;
int n, a[N], p[N];
set <ii> s[N];

signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0);

	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
		p[i] = p[i - 1] + a[i];
	}
	for (int i = 1; i <= n; ++i) {
		s[i].insert({1, 1});
		if (i == n) {
			cout << (*(s[i].rbegin())).first << endl;
			return 0;
		}
		int lst = oo;
		while (!s[i].empty()) {
			ii mx = *s[i].rbegin();
			s[i].erase(mx);
			if (mx.first == lst) continue;
			s[i + 1].insert(mx);
			int l = i + 1, r = n, ans = -1;
			int sum = p[i] - p[mx.second - 1];
			while (l <= r) {
				int mid = (l + r) >> 1;
				if (p[mid] - p[i] >= sum) {
					r = mid - 1;
					ans = mid;
				} else l = mid + 1;
			}
			if (~ans) s[ans].insert({mx.first + 1, i + 1});
			if (lst != oo) break;
			lst = mx.first;
		}
	}

	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	23808 KB	Output is correct
2	Correct	19 ms	23808 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	19 ms	23808 KB	Output is correct
5	Correct	19 ms	23808 KB	Output is correct
6	Correct	14 ms	23808 KB	Output is correct
7	Correct	14 ms	23808 KB	Output is correct
8	Correct	14 ms	23808 KB	Output is correct
9	Correct	14 ms	23808 KB	Output is correct
10	Correct	14 ms	23808 KB	Output is correct
11	Correct	14 ms	23808 KB	Output is correct
12	Correct	14 ms	23808 KB	Output is correct
13	Correct	14 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	14 ms	23808 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	23808 KB	Output is correct
2	Correct	19 ms	23808 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	19 ms	23808 KB	Output is correct
5	Correct	19 ms	23808 KB	Output is correct
6	Correct	14 ms	23808 KB	Output is correct
7	Correct	14 ms	23808 KB	Output is correct
8	Correct	14 ms	23808 KB	Output is correct
9	Correct	14 ms	23808 KB	Output is correct
10	Correct	14 ms	23808 KB	Output is correct
11	Correct	14 ms	23808 KB	Output is correct
12	Correct	14 ms	23808 KB	Output is correct
13	Correct	14 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	14 ms	23808 KB	Output is correct
16	Correct	14 ms	23808 KB	Output is correct
17	Correct	16 ms	23936 KB	Output is correct
18	Correct	18 ms	23936 KB	Output is correct
19	Correct	14 ms	23936 KB	Output is correct
20	Correct	15 ms	23936 KB	Output is correct
21	Correct	15 ms	23936 KB	Output is correct
22	Correct	15 ms	23936 KB	Output is correct
23	Correct	16 ms	23936 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	14 ms	23936 KB	Output is correct
26	Correct	14 ms	23936 KB	Output is correct
27	Correct	14 ms	23936 KB	Output is correct
28	Correct	14 ms	23936 KB	Output is correct
29	Correct	14 ms	23936 KB	Output is correct
30	Correct	16 ms	24064 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	23808 KB	Output is correct
2	Correct	19 ms	23808 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	19 ms	23808 KB	Output is correct
5	Correct	19 ms	23808 KB	Output is correct
6	Correct	14 ms	23808 KB	Output is correct
7	Correct	14 ms	23808 KB	Output is correct
8	Correct	14 ms	23808 KB	Output is correct
9	Correct	14 ms	23808 KB	Output is correct
10	Correct	14 ms	23808 KB	Output is correct
11	Correct	14 ms	23808 KB	Output is correct
12	Correct	14 ms	23808 KB	Output is correct
13	Correct	14 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	14 ms	23808 KB	Output is correct
16	Correct	14 ms	23808 KB	Output is correct
17	Correct	16 ms	23936 KB	Output is correct
18	Correct	18 ms	23936 KB	Output is correct
19	Correct	14 ms	23936 KB	Output is correct
20	Correct	15 ms	23936 KB	Output is correct
21	Correct	15 ms	23936 KB	Output is correct
22	Correct	15 ms	23936 KB	Output is correct
23	Correct	16 ms	23936 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	14 ms	23936 KB	Output is correct
26	Correct	14 ms	23936 KB	Output is correct
27	Correct	14 ms	23936 KB	Output is correct
28	Correct	14 ms	23936 KB	Output is correct
29	Correct	14 ms	23936 KB	Output is correct
30	Correct	16 ms	24064 KB	Output is correct
31	Correct	14 ms	23936 KB	Output is correct
32	Correct	16 ms	24192 KB	Output is correct
33	Correct	19 ms	24496 KB	Output is correct
34	Correct	15 ms	24320 KB	Output is correct
35	Correct	16 ms	24448 KB	Output is correct
36	Correct	17 ms	24320 KB	Output is correct
37	Correct	16 ms	24192 KB	Output is correct
38	Correct	15 ms	24192 KB	Output is correct
39	Correct	17 ms	24320 KB	Output is correct
40	Correct	16 ms	24320 KB	Output is correct
41	Correct	16 ms	24448 KB	Output is correct
42	Correct	16 ms	24448 KB	Output is correct
43	Correct	16 ms	24320 KB	Output is correct
44	Correct	15 ms	24448 KB	Output is correct
45	Correct	16 ms	24448 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	23808 KB	Output is correct
2	Correct	19 ms	23808 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	19 ms	23808 KB	Output is correct
5	Correct	19 ms	23808 KB	Output is correct
6	Correct	14 ms	23808 KB	Output is correct
7	Correct	14 ms	23808 KB	Output is correct
8	Correct	14 ms	23808 KB	Output is correct
9	Correct	14 ms	23808 KB	Output is correct
10	Correct	14 ms	23808 KB	Output is correct
11	Correct	14 ms	23808 KB	Output is correct
12	Correct	14 ms	23808 KB	Output is correct
13	Correct	14 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	14 ms	23808 KB	Output is correct
16	Correct	14 ms	23808 KB	Output is correct
17	Correct	16 ms	23936 KB	Output is correct
18	Correct	18 ms	23936 KB	Output is correct
19	Correct	14 ms	23936 KB	Output is correct
20	Correct	15 ms	23936 KB	Output is correct
21	Correct	15 ms	23936 KB	Output is correct
22	Correct	15 ms	23936 KB	Output is correct
23	Correct	16 ms	23936 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	14 ms	23936 KB	Output is correct
26	Correct	14 ms	23936 KB	Output is correct
27	Correct	14 ms	23936 KB	Output is correct
28	Correct	14 ms	23936 KB	Output is correct
29	Correct	14 ms	23936 KB	Output is correct
30	Correct	16 ms	24064 KB	Output is correct
31	Correct	14 ms	23936 KB	Output is correct
32	Correct	16 ms	24192 KB	Output is correct
33	Correct	19 ms	24496 KB	Output is correct
34	Correct	15 ms	24320 KB	Output is correct
35	Correct	16 ms	24448 KB	Output is correct
36	Correct	17 ms	24320 KB	Output is correct
37	Correct	16 ms	24192 KB	Output is correct
38	Correct	15 ms	24192 KB	Output is correct
39	Correct	17 ms	24320 KB	Output is correct
40	Correct	16 ms	24320 KB	Output is correct
41	Correct	16 ms	24448 KB	Output is correct
42	Correct	16 ms	24448 KB	Output is correct
43	Correct	16 ms	24320 KB	Output is correct
44	Correct	15 ms	24448 KB	Output is correct
45	Correct	16 ms	24448 KB	Output is correct
46	Correct	29 ms	25856 KB	Output is correct
47	Correct	86 ms	37808 KB	Output is correct
48	Correct	89 ms	44664 KB	Output is correct
49	Correct	79 ms	43900 KB	Output is correct
50	Correct	75 ms	45248 KB	Output is correct
51	Correct	89 ms	39032 KB	Output is correct
52	Correct	53 ms	31480 KB	Output is correct
53	Correct	37 ms	28408 KB	Output is correct
54	Correct	85 ms	38264 KB	Output is correct
55	Correct	83 ms	39032 KB	Output is correct
56	Correct	69 ms	44664 KB	Output is correct
57	Correct	85 ms	44644 KB	Output is correct
58	Correct	80 ms	43384 KB	Output is correct
59	Correct	71 ms	44924 KB	Output is correct
60	Correct	76 ms	40952 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	23808 KB	Output is correct
2	Correct	19 ms	23808 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	19 ms	23808 KB	Output is correct
5	Correct	19 ms	23808 KB	Output is correct
6	Correct	14 ms	23808 KB	Output is correct
7	Correct	14 ms	23808 KB	Output is correct
8	Correct	14 ms	23808 KB	Output is correct
9	Correct	14 ms	23808 KB	Output is correct
10	Correct	14 ms	23808 KB	Output is correct
11	Correct	14 ms	23808 KB	Output is correct
12	Correct	14 ms	23808 KB	Output is correct
13	Correct	14 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	14 ms	23808 KB	Output is correct
16	Correct	14 ms	23808 KB	Output is correct
17	Correct	16 ms	23936 KB	Output is correct
18	Correct	18 ms	23936 KB	Output is correct
19	Correct	14 ms	23936 KB	Output is correct
20	Correct	15 ms	23936 KB	Output is correct
21	Correct	15 ms	23936 KB	Output is correct
22	Correct	15 ms	23936 KB	Output is correct
23	Correct	16 ms	23936 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	14 ms	23936 KB	Output is correct
26	Correct	14 ms	23936 KB	Output is correct
27	Correct	14 ms	23936 KB	Output is correct
28	Correct	14 ms	23936 KB	Output is correct
29	Correct	14 ms	23936 KB	Output is correct
30	Correct	16 ms	24064 KB	Output is correct
31	Correct	14 ms	23936 KB	Output is correct
32	Correct	16 ms	24192 KB	Output is correct
33	Correct	19 ms	24496 KB	Output is correct
34	Correct	15 ms	24320 KB	Output is correct
35	Correct	16 ms	24448 KB	Output is correct
36	Correct	17 ms	24320 KB	Output is correct
37	Correct	16 ms	24192 KB	Output is correct
38	Correct	15 ms	24192 KB	Output is correct
39	Correct	17 ms	24320 KB	Output is correct
40	Correct	16 ms	24320 KB	Output is correct
41	Correct	16 ms	24448 KB	Output is correct
42	Correct	16 ms	24448 KB	Output is correct
43	Correct	16 ms	24320 KB	Output is correct
44	Correct	15 ms	24448 KB	Output is correct
45	Correct	16 ms	24448 KB	Output is correct
46	Correct	29 ms	25856 KB	Output is correct
47	Correct	86 ms	37808 KB	Output is correct
48	Correct	89 ms	44664 KB	Output is correct
49	Correct	79 ms	43900 KB	Output is correct
50	Correct	75 ms	45248 KB	Output is correct
51	Correct	89 ms	39032 KB	Output is correct
52	Correct	53 ms	31480 KB	Output is correct
53	Correct	37 ms	28408 KB	Output is correct
54	Correct	85 ms	38264 KB	Output is correct
55	Correct	83 ms	39032 KB	Output is correct
56	Correct	69 ms	44664 KB	Output is correct
57	Correct	85 ms	44644 KB	Output is correct
58	Correct	80 ms	43384 KB	Output is correct
59	Correct	71 ms	44924 KB	Output is correct
60	Correct	76 ms	40952 KB	Output is correct
61	Correct	103 ms	33660 KB	Output is correct
62	Correct	219 ms	49316 KB	Output is correct
63	Correct	391 ms	83192 KB	Output is correct
64	Correct	380 ms	130296 KB	Output is correct
65	Correct	323 ms	130424 KB	Output is correct
66	Correct	407 ms	99576 KB	Output is correct
67	Correct	326 ms	84344 KB	Output is correct
68	Correct	174 ms	54264 KB	Output is correct
69	Correct	383 ms	95868 KB	Output is correct
70	Correct	335 ms	99576 KB	Output is correct
71	Correct	279 ms	127480 KB	Output is correct
72	Correct	382 ms	127864 KB	Output is correct
73	Correct	329 ms	128504 KB	Output is correct
74	Correct	283 ms	128888 KB	Output is correct
75	Correct	294 ms	122232 KB	Output is correct

Submission #255050

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