#include <bits/stdc++.h>
using namespace std;
const int nx=5e5+5, kx=105;
int n, k, v[nx], dp[kx][nx], x, mx;
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>k;
v[0]=1e9;
for (int i=1; i<=n; i++) cin>>v[i], mx=max(mx, v[i]), dp[1][i]=mx;
for (int i=2; i<=k; i++)
{
stack<pair<int, int>> s;
for (int j=i; j<=n; j++)
{
int vl=dp[i-1][j-1];
while (!s.empty()&&s.top().first<=v[j]) vl=min(vl, s.top().second), s.pop();
dp[i][j]=vl+v[j];
if (!s.empty()) dp[i][j]=min(dp[i][j], s.top().first+s.top().second);
if (s.empty()) s.push({v[j], vl});
else if (s.top().first+s.top().second>v[j]+vl) s.push({v[j], vl});
//cout<<i<<' '<<j<<' '<<dp[i][j]<<'\n';
}
}
cout<<dp[k][n];
}
/*
3 2
7 6 2
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
2 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
10588 KB |
Output is correct |
11 |
Correct |
2 ms |
12636 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
3 ms |
12636 KB |
Output is correct |
14 |
Correct |
2 ms |
12636 KB |
Output is correct |
15 |
Correct |
2 ms |
4444 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
3 ms |
12636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4572 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
8540 KB |
Output is correct |
10 |
Correct |
2 ms |
10588 KB |
Output is correct |
11 |
Correct |
2 ms |
12636 KB |
Output is correct |
12 |
Correct |
3 ms |
14684 KB |
Output is correct |
13 |
Correct |
3 ms |
16732 KB |
Output is correct |
14 |
Correct |
4 ms |
22876 KB |
Output is correct |
15 |
Correct |
5 ms |
22876 KB |
Output is correct |
16 |
Correct |
6 ms |
33116 KB |
Output is correct |
17 |
Correct |
6 ms |
33116 KB |
Output is correct |
18 |
Correct |
5 ms |
22876 KB |
Output is correct |
19 |
Correct |
6 ms |
33116 KB |
Output is correct |
20 |
Correct |
7 ms |
41308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
2 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
10588 KB |
Output is correct |
11 |
Correct |
2 ms |
12636 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
3 ms |
12636 KB |
Output is correct |
14 |
Correct |
2 ms |
12636 KB |
Output is correct |
15 |
Correct |
2 ms |
4444 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
3 ms |
12636 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4572 KB |
Output is correct |
22 |
Correct |
1 ms |
6492 KB |
Output is correct |
23 |
Correct |
2 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
2 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
10588 KB |
Output is correct |
29 |
Correct |
2 ms |
12636 KB |
Output is correct |
30 |
Correct |
3 ms |
14684 KB |
Output is correct |
31 |
Correct |
3 ms |
16732 KB |
Output is correct |
32 |
Correct |
4 ms |
22876 KB |
Output is correct |
33 |
Correct |
5 ms |
22876 KB |
Output is correct |
34 |
Correct |
6 ms |
33116 KB |
Output is correct |
35 |
Correct |
6 ms |
33116 KB |
Output is correct |
36 |
Correct |
5 ms |
22876 KB |
Output is correct |
37 |
Correct |
6 ms |
33116 KB |
Output is correct |
38 |
Correct |
7 ms |
41308 KB |
Output is correct |
39 |
Correct |
16 ms |
100956 KB |
Output is correct |
40 |
Correct |
1 ms |
4444 KB |
Output is correct |
41 |
Correct |
1 ms |
4444 KB |
Output is correct |
42 |
Correct |
1 ms |
4444 KB |
Output is correct |
43 |
Correct |
1 ms |
6492 KB |
Output is correct |
44 |
Correct |
2 ms |
6492 KB |
Output is correct |
45 |
Correct |
1 ms |
4564 KB |
Output is correct |
46 |
Correct |
1 ms |
6492 KB |
Output is correct |
47 |
Correct |
1 ms |
6492 KB |
Output is correct |
48 |
Correct |
2 ms |
8540 KB |
Output is correct |
49 |
Correct |
2 ms |
10588 KB |
Output is correct |
50 |
Correct |
2 ms |
12636 KB |
Output is correct |
51 |
Correct |
9 ms |
51548 KB |
Output is correct |
52 |
Correct |
8 ms |
51548 KB |
Output is correct |
53 |
Correct |
252 ms |
199512 KB |
Output is correct |
54 |
Correct |
29 ms |
199252 KB |
Output is correct |
55 |
Correct |
26 ms |
106972 KB |
Output is correct |
56 |
Correct |
28 ms |
199260 KB |
Output is correct |
57 |
Correct |
29 ms |
199252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
2 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
10588 KB |
Output is correct |
11 |
Correct |
2 ms |
12636 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
3 ms |
12636 KB |
Output is correct |
14 |
Correct |
2 ms |
12636 KB |
Output is correct |
15 |
Correct |
2 ms |
4444 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
3 ms |
12636 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4572 KB |
Output is correct |
22 |
Correct |
1 ms |
6492 KB |
Output is correct |
23 |
Correct |
2 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
2 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
10588 KB |
Output is correct |
29 |
Correct |
2 ms |
12636 KB |
Output is correct |
30 |
Correct |
3 ms |
14684 KB |
Output is correct |
31 |
Correct |
3 ms |
16732 KB |
Output is correct |
32 |
Correct |
4 ms |
22876 KB |
Output is correct |
33 |
Correct |
5 ms |
22876 KB |
Output is correct |
34 |
Correct |
6 ms |
33116 KB |
Output is correct |
35 |
Correct |
6 ms |
33116 KB |
Output is correct |
36 |
Correct |
5 ms |
22876 KB |
Output is correct |
37 |
Correct |
6 ms |
33116 KB |
Output is correct |
38 |
Correct |
7 ms |
41308 KB |
Output is correct |
39 |
Correct |
16 ms |
100956 KB |
Output is correct |
40 |
Correct |
1 ms |
4444 KB |
Output is correct |
41 |
Correct |
1 ms |
4444 KB |
Output is correct |
42 |
Correct |
1 ms |
4444 KB |
Output is correct |
43 |
Correct |
1 ms |
6492 KB |
Output is correct |
44 |
Correct |
2 ms |
6492 KB |
Output is correct |
45 |
Correct |
1 ms |
4564 KB |
Output is correct |
46 |
Correct |
1 ms |
6492 KB |
Output is correct |
47 |
Correct |
1 ms |
6492 KB |
Output is correct |
48 |
Correct |
2 ms |
8540 KB |
Output is correct |
49 |
Correct |
2 ms |
10588 KB |
Output is correct |
50 |
Correct |
2 ms |
12636 KB |
Output is correct |
51 |
Correct |
9 ms |
51548 KB |
Output is correct |
52 |
Correct |
8 ms |
51548 KB |
Output is correct |
53 |
Correct |
252 ms |
199512 KB |
Output is correct |
54 |
Correct |
29 ms |
199252 KB |
Output is correct |
55 |
Correct |
26 ms |
106972 KB |
Output is correct |
56 |
Correct |
28 ms |
199260 KB |
Output is correct |
57 |
Correct |
29 ms |
199252 KB |
Output is correct |
58 |
Correct |
11 ms |
51804 KB |
Output is correct |
59 |
Correct |
4 ms |
4700 KB |
Output is correct |
60 |
Correct |
8 ms |
16988 KB |
Output is correct |
61 |
Correct |
53 ms |
152408 KB |
Output is correct |
62 |
Correct |
117 ms |
200020 KB |
Output is correct |
63 |
Correct |
9 ms |
9308 KB |
Output is correct |
64 |
Correct |
56 ms |
93380 KB |
Output is correct |
65 |
Correct |
9 ms |
51548 KB |
Output is correct |
66 |
Correct |
16 ms |
101212 KB |
Output is correct |
67 |
Correct |
15 ms |
100752 KB |
Output is correct |
68 |
Correct |
15 ms |
100956 KB |
Output is correct |
69 |
Correct |
1 ms |
4444 KB |
Output is correct |
70 |
Correct |
4 ms |
22876 KB |
Output is correct |
71 |
Correct |
41 ms |
199508 KB |
Output is correct |
72 |
Correct |
2 ms |
6492 KB |
Output is correct |
73 |
Correct |
16 ms |
51804 KB |
Output is correct |
74 |
Correct |
4 ms |
4700 KB |
Output is correct |
75 |
Correct |
8 ms |
16988 KB |
Output is correct |
76 |
Correct |
46 ms |
152404 KB |
Output is correct |
77 |
Correct |
89 ms |
199956 KB |
Output is correct |
78 |
Correct |
10 ms |
9308 KB |
Output is correct |
79 |
Correct |
46 ms |
93268 KB |
Output is correct |
80 |
Correct |
8 ms |
7260 KB |
Output is correct |
81 |
Correct |
16 ms |
23644 KB |
Output is correct |
82 |
Correct |
96 ms |
200020 KB |
Output is correct |
83 |
Correct |
1 ms |
4444 KB |
Output is correct |
84 |
Correct |
5 ms |
22876 KB |
Output is correct |
85 |
Correct |
44 ms |
199468 KB |
Output is correct |
86 |
Correct |
3 ms |
6492 KB |
Output is correct |
87 |
Correct |
13 ms |
51804 KB |
Output is correct |
88 |
Correct |
4 ms |
4700 KB |
Output is correct |
89 |
Correct |
11 ms |
17508 KB |
Output is correct |
90 |
Correct |
72 ms |
152680 KB |
Output is correct |
91 |
Correct |
180 ms |
200276 KB |
Output is correct |
92 |
Correct |
12 ms |
9564 KB |
Output is correct |
93 |
Correct |
84 ms |
93732 KB |
Output is correct |
94 |
Correct |
3 ms |
6492 KB |
Output is correct |
95 |
Correct |
36 ms |
199340 KB |
Output is correct |
96 |
Correct |
4 ms |
22876 KB |
Output is correct |
97 |
Correct |
1 ms |
4444 KB |
Output is correct |
98 |
Correct |
3 ms |
12636 KB |
Output is correct |
99 |
Correct |
3 ms |
10588 KB |
Output is correct |