Submission #338307

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
338307	2020-12-22T22:46:49 Z	Tosic	K blocks (IZhO14_blocks)	C++14	100 / 100	256 ms	45316 KB

blocks

#include <bits/stdc++.h>
#define maxn 100100
using namespace std;
 
int n, k;
int a[maxn], dp[maxn][110];
 
int main(){
	ios_base::sync_with_stdio(0);
	cout.tie(0);
	cin.tie(0);
	cin >> n >> k;
	for(int i = 1; i <= n; ++i){
		cin >> a[i];
	}
	dp[0][0] = 0;
	for(int i = 0; i < n; ++i){
		dp[i+1][1] = max(dp[i][1], a[i+1]);
	}
	for(int j = 2; j <= k; ++j){
		vector<pair<int, int> > dpStk;
		for(int i = j; i <= n; ++i){
			int tmpM = dp[i-1][j-1];
			while(!dpStk.empty() and dpStk.back().first <= a[i]){
				tmpM = min(tmpM, dpStk.back().second);
				dpStk.pop_back();
			}
			if(dpStk.empty() or dpStk.back().first+dpStk.back().second >= tmpM+a[i]){
				dpStk.push_back({a[i], tmpM});
				//cerr << tmpM << '\n';
			}
			dp[i][j] =tmpM+a[i];
			if(!dpStk.empty()){
				dp[i][j] = min(dpStk.back().first+dpStk.back().second,dp[i][j]);
			}
		}
	}
	cout << dp[n][k];
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #2
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	0 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct

Subtask #3
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	0 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	1 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	0 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	364 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	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	492 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	364 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct

Subtask #4
47.0 / 47.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	0 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	1 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	0 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	364 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	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	492 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	364 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct
58	Correct	5 ms	4736 KB	Output is correct
59	Correct	14 ms	19948 KB	Output is correct
60	Correct	19 ms	19960 KB	Output is correct
61	Correct	47 ms	19948 KB	Output is correct
62	Correct	199 ms	44524 KB	Output is correct
63	Correct	32 ms	44672 KB	Output is correct
64	Correct	101 ms	44524 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	1 ms	364 KB	Output is correct
67	Correct	1 ms	364 KB	Output is correct
68	Correct	1 ms	512 KB	Output is correct
69	Correct	1 ms	748 KB	Output is correct
70	Correct	1 ms	748 KB	Output is correct
71	Correct	12 ms	4716 KB	Output is correct
72	Correct	4 ms	4716 KB	Output is correct
73	Correct	6 ms	4716 KB	Output is correct
74	Correct	13 ms	19948 KB	Output is correct
75	Correct	16 ms	19948 KB	Output is correct
76	Correct	46 ms	19948 KB	Output is correct
77	Correct	148 ms	44524 KB	Output is correct
78	Correct	32 ms	44396 KB	Output is correct
79	Correct	102 ms	44396 KB	Output is correct
80	Correct	28 ms	44524 KB	Output is correct
81	Correct	41 ms	44524 KB	Output is correct
82	Correct	217 ms	44580 KB	Output is correct
83	Correct	1 ms	748 KB	Output is correct
84	Correct	1 ms	788 KB	Output is correct
85	Correct	15 ms	4844 KB	Output is correct
86	Correct	4 ms	4844 KB	Output is correct
87	Correct	6 ms	4844 KB	Output is correct
88	Correct	13 ms	19948 KB	Output is correct
89	Correct	19 ms	20260 KB	Output is correct
90	Correct	64 ms	20264 KB	Output is correct
91	Correct	256 ms	45316 KB	Output is correct
92	Correct	32 ms	45168 KB	Output is correct
93	Correct	124 ms	45300 KB	Output is correct
94	Correct	4 ms	4716 KB	Output is correct
95	Correct	12 ms	4716 KB	Output is correct
96	Correct	1 ms	748 KB	Output is correct
97	Correct	1 ms	748 KB	Output is correct
98	Correct	1 ms	364 KB	Output is correct
99	Correct	1 ms	364 KB	Output is correct

Submission #338307

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