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Submission #331094

# Submission time Handle Problem Language Result Execution time Memory
331094 2020-11-27T10:19:31 Z Gurban K blocks (IZhO14_blocks) C++17
100 / 100
 223 ms 81140 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const int N = 1e2+5;
const int maxn=1e5+5;
int n,k,a[maxn];
ll dp[N][maxn];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);

	cin >> n >> k;
	for(int i = 1;i <= n;i++) cin >> a[i];
	for(int i = 0;i <= k;i++)
		for(int j = 0;j <= n;j++) dp[i][j] = 1e18;
	
	dp[1][1] = a[1];
	for(int i = 2;i <= n;i++) dp[1][i] = max(dp[1][i-1],1ll*a[i]);

	for(int i = 2;i <= k;i++){
		stack<pair<int,ll>>s;
		for(int j = i;j <= n;j++){
			ll jog = dp[i-1][j-1];
			while(!s.empty() and a[s.top().first] <= a[j]){
				jog = min(jog,s.top().second);
				s.pop();
			}
			ll tmp = 0;
			if(!s.empty()) tmp = s.top().first;
			dp[i][j] = min(dp[i][tmp],jog+a[j]);
			s.push({j,jog});
		}
	}
	// for(int i = 2;i <= n;i++){
	// 	cout<<dp[2][i]<<' ';
	// }
	cout<<dp[k][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 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 384 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 384 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 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 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 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 380 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 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 492 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 384 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 384 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 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 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 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 380 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 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 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 512 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 1004 KB Output is correct
54 Correct 1 ms 1004 KB Output is correct
55 Correct 1 ms 748 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 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 384 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 384 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 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 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 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 380 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 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 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 512 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 1004 KB Output is correct
54 Correct 1 ms 1004 KB Output is correct
55 Correct 1 ms 748 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 KB Output is correct
58 Correct 6 ms 2668 KB Output is correct
59 Correct 6 ms 1516 KB Output is correct
60 Correct 10 ms 3692 KB Output is correct
61 Correct 63 ms 28012 KB Output is correct
62 Correct 181 ms 80620 KB Output is correct
63 Correct 15 ms 4588 KB Output is correct
64 Correct 88 ms 37508 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 2 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 23 ms 8940 KB Output is correct
72 Correct 2 ms 748 KB Output is correct
73 Correct 7 ms 2668 KB Output is correct
74 Correct 6 ms 1516 KB Output is correct
75 Correct 11 ms 3692 KB Output is correct
76 Correct 76 ms 28012 KB Output is correct
77 Correct 223 ms 80620 KB Output is correct
78 Correct 16 ms 4588 KB Output is correct
79 Correct 106 ms 37612 KB Output is correct
80 Correct 11 ms 3052 KB Output is correct
81 Correct 31 ms 10240 KB Output is correct
82 Correct 221 ms 80620 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 1 ms 492 KB Output is correct
85 Correct 21 ms 8940 KB Output is correct
86 Correct 2 ms 748 KB Output is correct
87 Correct 6 ms 2668 KB Output is correct
88 Correct 6 ms 1516 KB Output is correct
89 Correct 11 ms 3980 KB Output is correct
90 Correct 72 ms 28372 KB Output is correct
91 Correct 217 ms 81140 KB Output is correct
92 Correct 16 ms 5172 KB Output is correct
93 Correct 104 ms 38084 KB Output is correct
94 Correct 2 ms 748 KB Output is correct
95 Correct 19 ms 8940 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