#include <iostream>
#include <fstream>
#include <climits>
using namespace std;
const int nmax=100005;
long long v[nmax],dp[2][nmax],mn[nmax],act[nmax];
int st[nmax];
int n,k,i,j,use,u;
int main()
{
//freopen("data.in","r",stdin);
ios_base::sync_with_stdio(false);
cin>>n>>k;
for(i=1;i<=n;i++)
{
cin>>v[i];
}
for(i=0;i<=n;i++)
dp[0][i]=1LL*1e15,dp[1][i]=1LL*1e15;
mn[0]=1LL*1e15;dp[0][0]=0;
for(int cnt=1;cnt<=k;cnt++)
{
use=1-use;u=0;
for(i=1;i<=n;i++)
{
act[i]=1LL*1e15;
while(u>0&&v[i]>=v[st[u]])
{
act[i]=min(act[st[u]],act[i]);
u--;
}
st[++u]=i;act[i]=min(act[i],dp[1-use][st[u-1]]);
mn[u]=min(mn[u-1],1LL*act[i]+v[i]);
dp[use][i]=1LL*mn[u];
act[i]=min(act[i],dp[1-use][i]);
}
for(i=0;i<=n;i++)
dp[1-use][i]=1LL*1e15;
}
cout<<dp[use][n];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
444 KB |
Output is correct |
3 |
Correct |
2 ms |
444 KB |
Output is correct |
4 |
Correct |
2 ms |
508 KB |
Output is correct |
5 |
Correct |
2 ms |
552 KB |
Output is correct |
6 |
Correct |
2 ms |
568 KB |
Output is correct |
7 |
Correct |
3 ms |
572 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
2 ms |
712 KB |
Output is correct |
10 |
Correct |
2 ms |
712 KB |
Output is correct |
11 |
Correct |
2 ms |
712 KB |
Output is correct |
12 |
Correct |
2 ms |
712 KB |
Output is correct |
13 |
Correct |
2 ms |
732 KB |
Output is correct |
14 |
Correct |
2 ms |
732 KB |
Output is correct |
15 |
Correct |
2 ms |
732 KB |
Output is correct |
16 |
Correct |
2 ms |
732 KB |
Output is correct |
17 |
Correct |
2 ms |
736 KB |
Output is correct |
18 |
Correct |
2 ms |
828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
828 KB |
Output is correct |
2 |
Correct |
2 ms |
828 KB |
Output is correct |
3 |
Correct |
2 ms |
828 KB |
Output is correct |
4 |
Correct |
2 ms |
828 KB |
Output is correct |
5 |
Correct |
2 ms |
840 KB |
Output is correct |
6 |
Correct |
2 ms |
840 KB |
Output is correct |
7 |
Correct |
2 ms |
840 KB |
Output is correct |
8 |
Correct |
2 ms |
840 KB |
Output is correct |
9 |
Correct |
2 ms |
840 KB |
Output is correct |
10 |
Correct |
2 ms |
876 KB |
Output is correct |
11 |
Correct |
2 ms |
1004 KB |
Output is correct |
12 |
Correct |
2 ms |
1004 KB |
Output is correct |
13 |
Correct |
2 ms |
1004 KB |
Output is correct |
14 |
Correct |
3 ms |
1004 KB |
Output is correct |
15 |
Correct |
2 ms |
1004 KB |
Output is correct |
16 |
Correct |
2 ms |
1004 KB |
Output is correct |
17 |
Correct |
2 ms |
1004 KB |
Output is correct |
18 |
Correct |
2 ms |
1004 KB |
Output is correct |
19 |
Correct |
2 ms |
1056 KB |
Output is correct |
20 |
Correct |
2 ms |
1056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1056 KB |
Output is correct |
2 |
Correct |
2 ms |
1108 KB |
Output is correct |
3 |
Correct |
2 ms |
1108 KB |
Output is correct |
4 |
Correct |
2 ms |
1108 KB |
Output is correct |
5 |
Correct |
2 ms |
1200 KB |
Output is correct |
6 |
Correct |
2 ms |
1200 KB |
Output is correct |
7 |
Correct |
2 ms |
1200 KB |
Output is correct |
8 |
Correct |
2 ms |
1200 KB |
Output is correct |
9 |
Correct |
2 ms |
1200 KB |
Output is correct |
10 |
Correct |
2 ms |
1200 KB |
Output is correct |
11 |
Correct |
2 ms |
1200 KB |
Output is correct |
12 |
Correct |
2 ms |
1200 KB |
Output is correct |
13 |
Correct |
2 ms |
1200 KB |
Output is correct |
14 |
Correct |
2 ms |
1200 KB |
Output is correct |
15 |
Correct |
2 ms |
1240 KB |
Output is correct |
16 |
Correct |
2 ms |
1240 KB |
Output is correct |
17 |
Correct |
2 ms |
1240 KB |
Output is correct |
18 |
Correct |
2 ms |
1240 KB |
Output is correct |
19 |
Correct |
2 ms |
1240 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1392 KB |
Output is correct |
2 |
Correct |
9 ms |
2796 KB |
Output is correct |
3 |
Correct |
13 ms |
3116 KB |
Output is correct |
4 |
Correct |
49 ms |
3508 KB |
Output is correct |
5 |
Correct |
143 ms |
5904 KB |
Output is correct |
6 |
Correct |
21 ms |
6472 KB |
Output is correct |
7 |
Correct |
73 ms |
7156 KB |
Output is correct |
8 |
Correct |
2 ms |
7156 KB |
Output is correct |
9 |
Correct |
2 ms |
7156 KB |
Output is correct |
10 |
Correct |
2 ms |
7156 KB |
Output is correct |
11 |
Correct |
2 ms |
7156 KB |
Output is correct |
12 |
Correct |
3 ms |
7156 KB |
Output is correct |
13 |
Correct |
2 ms |
7156 KB |
Output is correct |
14 |
Correct |
19 ms |
7156 KB |
Output is correct |
15 |
Correct |
4 ms |
7156 KB |
Output is correct |
16 |
Correct |
8 ms |
7156 KB |
Output is correct |
17 |
Correct |
9 ms |
7156 KB |
Output is correct |
18 |
Correct |
14 ms |
7156 KB |
Output is correct |
19 |
Correct |
66 ms |
7156 KB |
Output is correct |
20 |
Correct |
184 ms |
9096 KB |
Output is correct |
21 |
Correct |
22 ms |
9668 KB |
Output is correct |
22 |
Correct |
91 ms |
10344 KB |
Output is correct |
23 |
Correct |
17 ms |
11020 KB |
Output is correct |
24 |
Correct |
34 ms |
11704 KB |
Output is correct |
25 |
Correct |
175 ms |
12512 KB |
Output is correct |
26 |
Correct |
3 ms |
12512 KB |
Output is correct |
27 |
Correct |
3 ms |
12512 KB |
Output is correct |
28 |
Correct |
16 ms |
12512 KB |
Output is correct |
29 |
Correct |
4 ms |
12512 KB |
Output is correct |
30 |
Correct |
6 ms |
12512 KB |
Output is correct |
31 |
Correct |
10 ms |
12512 KB |
Output is correct |
32 |
Correct |
13 ms |
12512 KB |
Output is correct |
33 |
Correct |
54 ms |
12512 KB |
Output is correct |
34 |
Correct |
147 ms |
14892 KB |
Output is correct |
35 |
Correct |
21 ms |
15436 KB |
Output is correct |
36 |
Correct |
77 ms |
16120 KB |
Output is correct |
37 |
Correct |
4 ms |
16120 KB |
Output is correct |
38 |
Correct |
15 ms |
16120 KB |
Output is correct |
39 |
Correct |
2 ms |
16120 KB |
Output is correct |
40 |
Correct |
3 ms |
16120 KB |
Output is correct |
41 |
Correct |
2 ms |
16120 KB |
Output is correct |
42 |
Correct |
2 ms |
16120 KB |
Output is correct |