Submission #344205

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
344205	2021-01-05T09:16:57 Z	SeDunion	K blocks (IZhO14_blocks)	C++17	100 / 100	140 ms	3564 KB

blocks

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5 + 6;
const ll INF = 1e15;

ll Old[N], New[N];
int a[N], sz;

pair<ll,ll> p[N];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	int n, k;
	cin >> n >> k;
	for (int i = 1 ; i <= n ; ++ i) {
		cin >> a[i];
		Old[i] = max(Old[i - 1], (ll)a[i]);
	}
	for (int j = 2 ; j <= k ; ++ j) {
		sz = 0;
		for (int i = 1 ; i <= n ; ++ i) {
			ll Mn = j <= i ? Old[i - 1] : INF;
			while (sz && p[sz - 1].first <= a[i]) Mn = min(Mn, p[sz - 1].second), sz--;
			if (!sz || a[i] + Mn < p[sz - 1].first + p[sz - 1].second) sz++, p[sz - 1] = {a[i], Mn};
			New[i] = p[sz - 1].first + p[sz - 1].second;
		}
		swap(Old, New);
	}
	cout << Old[n];
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	1900 KB	Output is correct
5	Correct	2 ms	1900 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	1920 KB	Output is correct
8	Correct	2 ms	1920 KB	Output is correct
9	Correct	2 ms	1900 KB	Output is correct
10	Correct	3 ms	1900 KB	Output is correct
11	Correct	3 ms	1900 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	2 ms	1900 KB	Output is correct
14	Correct	2 ms	1900 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	2 ms	1900 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	2 ms	1900 KB	Output is correct

Subtask #2
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	2044 KB	Output is correct
5	Correct	2 ms	1900 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	1900 KB	Output is correct
8	Correct	2 ms	1900 KB	Output is correct
9	Correct	2 ms	1900 KB	Output is correct
10	Correct	2 ms	1900 KB	Output is correct
11	Correct	2 ms	1900 KB	Output is correct
12	Correct	2 ms	1900 KB	Output is correct
13	Correct	2 ms	1900 KB	Output is correct
14	Correct	3 ms	1900 KB	Output is correct
15	Correct	3 ms	1900 KB	Output is correct
16	Correct	3 ms	1900 KB	Output is correct
17	Correct	3 ms	1900 KB	Output is correct
18	Correct	3 ms	1900 KB	Output is correct
19	Correct	4 ms	1900 KB	Output is correct
20	Correct	4 ms	1900 KB	Output is correct

Subtask #3
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	1900 KB	Output is correct
5	Correct	2 ms	1900 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	1920 KB	Output is correct
8	Correct	2 ms	1920 KB	Output is correct
9	Correct	2 ms	1900 KB	Output is correct
10	Correct	3 ms	1900 KB	Output is correct
11	Correct	3 ms	1900 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	2 ms	1900 KB	Output is correct
14	Correct	2 ms	1900 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	2 ms	1900 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	2 ms	1900 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	2 ms	2044 KB	Output is correct
23	Correct	2 ms	1900 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	2 ms	1900 KB	Output is correct
26	Correct	2 ms	1900 KB	Output is correct
27	Correct	2 ms	1900 KB	Output is correct
28	Correct	2 ms	1900 KB	Output is correct
29	Correct	2 ms	1900 KB	Output is correct
30	Correct	2 ms	1900 KB	Output is correct
31	Correct	2 ms	1900 KB	Output is correct
32	Correct	3 ms	1900 KB	Output is correct
33	Correct	3 ms	1900 KB	Output is correct
34	Correct	3 ms	1900 KB	Output is correct
35	Correct	3 ms	1900 KB	Output is correct
36	Correct	3 ms	1900 KB	Output is correct
37	Correct	4 ms	1900 KB	Output is correct
38	Correct	4 ms	1900 KB	Output is correct
39	Correct	7 ms	1900 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	2 ms	1900 KB	Output is correct
44	Correct	2 ms	1900 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	2 ms	1900 KB	Output is correct
47	Correct	2 ms	1900 KB	Output is correct
48	Correct	2 ms	2048 KB	Output is correct
49	Correct	2 ms	1900 KB	Output is correct
50	Correct	2 ms	1900 KB	Output is correct
51	Correct	4 ms	1900 KB	Output is correct
52	Correct	5 ms	1900 KB	Output is correct
53	Correct	15 ms	1900 KB	Output is correct
54	Correct	13 ms	1900 KB	Output is correct
55	Correct	7 ms	1900 KB	Output is correct
56	Correct	13 ms	1900 KB	Output is correct
57	Correct	13 ms	1900 KB	Output is correct

Subtask #4
47.0 / 47.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	1900 KB	Output is correct
5	Correct	2 ms	1900 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	1920 KB	Output is correct
8	Correct	2 ms	1920 KB	Output is correct
9	Correct	2 ms	1900 KB	Output is correct
10	Correct	3 ms	1900 KB	Output is correct
11	Correct	3 ms	1900 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	2 ms	1900 KB	Output is correct
14	Correct	2 ms	1900 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	2 ms	1900 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	2 ms	1900 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	2 ms	2044 KB	Output is correct
23	Correct	2 ms	1900 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	2 ms	1900 KB	Output is correct
26	Correct	2 ms	1900 KB	Output is correct
27	Correct	2 ms	1900 KB	Output is correct
28	Correct	2 ms	1900 KB	Output is correct
29	Correct	2 ms	1900 KB	Output is correct
30	Correct	2 ms	1900 KB	Output is correct
31	Correct	2 ms	1900 KB	Output is correct
32	Correct	3 ms	1900 KB	Output is correct
33	Correct	3 ms	1900 KB	Output is correct
34	Correct	3 ms	1900 KB	Output is correct
35	Correct	3 ms	1900 KB	Output is correct
36	Correct	3 ms	1900 KB	Output is correct
37	Correct	4 ms	1900 KB	Output is correct
38	Correct	4 ms	1900 KB	Output is correct
39	Correct	7 ms	1900 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	2 ms	1900 KB	Output is correct
44	Correct	2 ms	1900 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	2 ms	1900 KB	Output is correct
47	Correct	2 ms	1900 KB	Output is correct
48	Correct	2 ms	2048 KB	Output is correct
49	Correct	2 ms	1900 KB	Output is correct
50	Correct	2 ms	1900 KB	Output is correct
51	Correct	4 ms	1900 KB	Output is correct
52	Correct	5 ms	1900 KB	Output is correct
53	Correct	15 ms	1900 KB	Output is correct
54	Correct	13 ms	1900 KB	Output is correct
55	Correct	7 ms	1900 KB	Output is correct
56	Correct	13 ms	1900 KB	Output is correct
57	Correct	13 ms	1900 KB	Output is correct
58	Correct	7 ms	2028 KB	Output is correct
59	Correct	5 ms	1132 KB	Output is correct
60	Correct	8 ms	2412 KB	Output is correct
61	Correct	39 ms	2412 KB	Output is correct
62	Correct	98 ms	3052 KB	Output is correct
63	Correct	13 ms	2924 KB	Output is correct
64	Correct	50 ms	3052 KB	Output is correct
65	Correct	5 ms	1920 KB	Output is correct
66	Correct	7 ms	1900 KB	Output is correct
67	Correct	9 ms	1900 KB	Output is correct
68	Correct	7 ms	1900 KB	Output is correct
69	Correct	1 ms	364 KB	Output is correct
70	Correct	3 ms	1900 KB	Output is correct
71	Correct	21 ms	2028 KB	Output is correct
72	Correct	3 ms	2060 KB	Output is correct
73	Correct	7 ms	2156 KB	Output is correct
74	Correct	5 ms	1132 KB	Output is correct
75	Correct	8 ms	2412 KB	Output is correct
76	Correct	37 ms	2444 KB	Output is correct
77	Correct	82 ms	2924 KB	Output is correct
78	Correct	13 ms	2948 KB	Output is correct
79	Correct	42 ms	2924 KB	Output is correct
80	Correct	11 ms	2156 KB	Output is correct
81	Correct	17 ms	2924 KB	Output is correct
82	Correct	85 ms	2924 KB	Output is correct
83	Correct	1 ms	364 KB	Output is correct
84	Correct	3 ms	1900 KB	Output is correct
85	Correct	22 ms	2028 KB	Output is correct
86	Correct	3 ms	2028 KB	Output is correct
87	Correct	8 ms	2028 KB	Output is correct
88	Correct	5 ms	1132 KB	Output is correct
89	Correct	9 ms	2668 KB	Output is correct
90	Correct	44 ms	2668 KB	Output is correct
91	Correct	140 ms	3564 KB	Output is correct
92	Correct	13 ms	3564 KB	Output is correct
93	Correct	69 ms	3564 KB	Output is correct
94	Correct	4 ms	2044 KB	Output is correct
95	Correct	21 ms	2060 KB	Output is correct
96	Correct	3 ms	1900 KB	Output is correct
97	Correct	1 ms	364 KB	Output is correct
98	Correct	3 ms	1900 KB	Output is correct
99	Correct	2 ms	1900 KB	Output is correct

Submission #344205

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 18.0 / 18.0

Subtask #3 21.0 / 21.0

Subtask #4 47.0 / 47.0

Subtask #1
14.0 / 14.0

Subtask #2
18.0 / 18.0

Subtask #3
21.0 / 21.0

Subtask #4
47.0 / 47.0