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Submission #333265

# Submission time Handle Problem Language Result Execution time Memory
333265 2020-12-05T05:43:52 Z nandonathaniel K blocks (IZhO14_blocks) C++14
100 / 100
 192 ms 40892 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXK=105,MAXN=100005;
int dp[MAXK][MAXN],a[MAXN];
typedef pair<int,int> pii;

//https://codeforces.com/blog/entry/18866

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];
	for(int i=1;i<=N;i++)dp[1][i]=max(dp[1][i-1],a[i]);
	for(int i=2;i<=K;i++){
		stack<pii> st;
		for(int j=i;j<=N;j++){
			int minDP=dp[i-1][j-1];
			while(!st.empty() && a[st.top().first]<=a[j]){
				minDP=min(minDP,st.top().second);
				st.pop();
			}
			int val=1e9;
			if(!st.empty())val=dp[i][st.top().first];
			dp[i][j]=min(val,minDP+a[j]);
			st.push({j,minDP});
		}
	}
	cout << dp[K][N] << '\n';
	return 0;
}

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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 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 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 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

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 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 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 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 492 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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 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 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 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 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 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 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 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 492 KB Output is correct
39 Correct 1 ms 620 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 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 876 KB Output is correct
54 Correct 1 ms 876 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 876 KB Output is correct
57 Correct 1 ms 876 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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 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 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 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 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 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 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 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 492 KB Output is correct
39 Correct 1 ms 620 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 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 876 KB Output is correct
54 Correct 1 ms 876 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 876 KB Output is correct
57 Correct 1 ms 876 KB Output is correct
58 Correct 5 ms 1516 KB Output is correct
59 Correct 5 ms 1004 KB Output is correct
60 Correct 9 ms 2156 KB Output is correct
61 Correct 51 ms 14316 KB Output is correct
62 Correct 141 ms 40716 KB Output is correct
63 Correct 13 ms 2540 KB Output is correct
64 Correct 69 ms 19052 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 1 ms 620 KB Output is correct
68 Correct 1 ms 620 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 492 KB Output is correct
71 Correct 19 ms 4844 KB Output is correct
72 Correct 2 ms 492 KB Output is correct
73 Correct 6 ms 1516 KB Output is correct
74 Correct 5 ms 1004 KB Output is correct
75 Correct 10 ms 2028 KB Output is correct
76 Correct 64 ms 14316 KB Output is correct
77 Correct 189 ms 40556 KB Output is correct
78 Correct 14 ms 2560 KB Output is correct
79 Correct 88 ms 19052 KB Output is correct
80 Correct 11 ms 1772 KB Output is correct
81 Correct 26 ms 5356 KB Output is correct
82 Correct 192 ms 40556 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 1 ms 492 KB Output is correct
85 Correct 18 ms 4844 KB Output is correct
86 Correct 2 ms 620 KB Output is correct
87 Correct 5 ms 1644 KB Output is correct
88 Correct 5 ms 1004 KB Output is correct
89 Correct 11 ms 2156 KB Output is correct
90 Correct 57 ms 14444 KB Output is correct
91 Correct 176 ms 40892 KB Output is correct
92 Correct 14 ms 2900 KB Output is correct
93 Correct 80 ms 19344 KB Output is correct
94 Correct 2 ms 492 KB Output is correct
95 Correct 16 ms 4844 KB Output is correct
96 Correct 1 ms 492 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 384 KB Output is correct
99 Correct 1 ms 364 KB Output is correct