#include <bits/stdc++.h>
#define maxn 100010
#define maxk 110
#define FOR(i,a,b) for(int i=a;i<=b;++i)
#define FORD(i,a,b) for(int i=a;i>=b;--i)
typedef long long ll;
using namespace std;
const char *fi="BLOCKS.INP";
const char *fo="BLOCKS.OUT";
const int oo=1e9;
int n,k,A[maxn],P[maxn],F[maxn][maxk];
stack<pair<int,int> > Q;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
// freopen(fi,"r",stdin);
// freopen(fo,"w",stdout);
cin>>n>>k;
FOR(i,1,n) cin>>A[i];
P[0]=0;
FOR(i,1,n) P[i]=max(P[i-1],A[i]);
FOR(i,1,n) F[i][1]=P[i];
FOR(j,2,k){
F[0][j]=oo;
while (!Q.empty()) Q.pop();
FOR(i,j,n){
int tmp = F[i-1][j-1];
while (!Q.empty() && A[Q.top().second]<=A[i]){
tmp = min(tmp,Q.top().first);
Q.pop();
}
F[i][j] = min(F[Q.empty()?0:Q.top().second][j], tmp+A[i]);
Q.push({tmp,i});
}
}
cout<<F[n][k];
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
560 KB |
Output is correct |
4 |
Correct |
2 ms |
560 KB |
Output is correct |
5 |
Correct |
2 ms |
560 KB |
Output is correct |
6 |
Correct |
2 ms |
560 KB |
Output is correct |
7 |
Correct |
2 ms |
576 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
2 ms |
584 KB |
Output is correct |
10 |
Correct |
2 ms |
588 KB |
Output is correct |
11 |
Correct |
2 ms |
592 KB |
Output is correct |
12 |
Correct |
2 ms |
724 KB |
Output is correct |
13 |
Correct |
2 ms |
724 KB |
Output is correct |
14 |
Correct |
2 ms |
724 KB |
Output is correct |
15 |
Correct |
2 ms |
772 KB |
Output is correct |
16 |
Correct |
2 ms |
772 KB |
Output is correct |
17 |
Correct |
2 ms |
772 KB |
Output is correct |
18 |
Correct |
2 ms |
772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
772 KB |
Output is correct |
2 |
Correct |
2 ms |
796 KB |
Output is correct |
3 |
Correct |
2 ms |
796 KB |
Output is correct |
4 |
Correct |
3 ms |
796 KB |
Output is correct |
5 |
Correct |
2 ms |
796 KB |
Output is correct |
6 |
Correct |
2 ms |
856 KB |
Output is correct |
7 |
Correct |
2 ms |
856 KB |
Output is correct |
8 |
Correct |
2 ms |
856 KB |
Output is correct |
9 |
Correct |
2 ms |
856 KB |
Output is correct |
10 |
Correct |
2 ms |
856 KB |
Output is correct |
11 |
Correct |
2 ms |
856 KB |
Output is correct |
12 |
Correct |
2 ms |
1024 KB |
Output is correct |
13 |
Correct |
2 ms |
1024 KB |
Output is correct |
14 |
Correct |
2 ms |
1024 KB |
Output is correct |
15 |
Correct |
2 ms |
1024 KB |
Output is correct |
16 |
Correct |
2 ms |
1024 KB |
Output is correct |
17 |
Correct |
2 ms |
1024 KB |
Output is correct |
18 |
Correct |
2 ms |
1084 KB |
Output is correct |
19 |
Correct |
2 ms |
1084 KB |
Output is correct |
20 |
Correct |
2 ms |
1084 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1084 KB |
Output is correct |
2 |
Correct |
2 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
2 ms |
1136 KB |
Output is correct |
5 |
Correct |
2 ms |
1140 KB |
Output is correct |
6 |
Correct |
2 ms |
1144 KB |
Output is correct |
7 |
Correct |
2 ms |
1148 KB |
Output is correct |
8 |
Correct |
3 ms |
1152 KB |
Output is correct |
9 |
Correct |
2 ms |
1156 KB |
Output is correct |
10 |
Correct |
2 ms |
1252 KB |
Output is correct |
11 |
Correct |
2 ms |
1252 KB |
Output is correct |
12 |
Correct |
2 ms |
1252 KB |
Output is correct |
13 |
Correct |
2 ms |
1252 KB |
Output is correct |
14 |
Correct |
2 ms |
1252 KB |
Output is correct |
15 |
Correct |
2 ms |
1252 KB |
Output is correct |
16 |
Correct |
2 ms |
1252 KB |
Output is correct |
17 |
Correct |
2 ms |
1252 KB |
Output is correct |
18 |
Correct |
3 ms |
1252 KB |
Output is correct |
19 |
Correct |
2 ms |
1252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
5552 KB |
Output is correct |
2 |
Correct |
23 ms |
20980 KB |
Output is correct |
3 |
Correct |
26 ms |
21356 KB |
Output is correct |
4 |
Correct |
69 ms |
21604 KB |
Output is correct |
5 |
Correct |
198 ms |
46760 KB |
Output is correct |
6 |
Correct |
55 ms |
47456 KB |
Output is correct |
7 |
Correct |
111 ms |
48012 KB |
Output is correct |
8 |
Correct |
2 ms |
48012 KB |
Output is correct |
9 |
Correct |
3 ms |
48012 KB |
Output is correct |
10 |
Correct |
2 ms |
48012 KB |
Output is correct |
11 |
Correct |
2 ms |
48012 KB |
Output is correct |
12 |
Correct |
3 ms |
48012 KB |
Output is correct |
13 |
Correct |
3 ms |
48012 KB |
Output is correct |
14 |
Correct |
22 ms |
48012 KB |
Output is correct |
15 |
Correct |
7 ms |
48012 KB |
Output is correct |
16 |
Correct |
14 ms |
48012 KB |
Output is correct |
17 |
Correct |
21 ms |
48012 KB |
Output is correct |
18 |
Correct |
28 ms |
48012 KB |
Output is correct |
19 |
Correct |
84 ms |
48012 KB |
Output is correct |
20 |
Correct |
253 ms |
50040 KB |
Output is correct |
21 |
Correct |
50 ms |
50588 KB |
Output is correct |
22 |
Correct |
168 ms |
51392 KB |
Output is correct |
23 |
Correct |
62 ms |
51984 KB |
Output is correct |
24 |
Correct |
64 ms |
52624 KB |
Output is correct |
25 |
Correct |
498 ms |
53436 KB |
Output is correct |
26 |
Correct |
3 ms |
53436 KB |
Output is correct |
27 |
Correct |
3 ms |
53436 KB |
Output is correct |
28 |
Correct |
21 ms |
53436 KB |
Output is correct |
29 |
Correct |
6 ms |
53436 KB |
Output is correct |
30 |
Correct |
12 ms |
53436 KB |
Output is correct |
31 |
Correct |
27 ms |
53436 KB |
Output is correct |
32 |
Correct |
26 ms |
53436 KB |
Output is correct |
33 |
Correct |
75 ms |
53436 KB |
Output is correct |
34 |
Correct |
246 ms |
55524 KB |
Output is correct |
35 |
Correct |
51 ms |
56208 KB |
Output is correct |
36 |
Correct |
126 ms |
56892 KB |
Output is correct |
37 |
Correct |
7 ms |
56892 KB |
Output is correct |
38 |
Correct |
18 ms |
56892 KB |
Output is correct |
39 |
Correct |
2 ms |
56892 KB |
Output is correct |
40 |
Correct |
2 ms |
56892 KB |
Output is correct |
41 |
Correct |
2 ms |
56892 KB |
Output is correct |
42 |
Correct |
2 ms |
56892 KB |
Output is correct |