#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <iomanip>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,pii>
#define vi vector<int>
#define pb push_back
//#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
#define int long long
#define double long double
const int mxn=1e5,inf=1e18;
int seg[mxn+10],n,dp[mxn+10][101],l[mxn+10],r[mxn+10],v[mxn+10],k;
int qry(int l,int r){
int ans=inf;
for(l+=n,r+=n;l<=r;l>>=1,r>>=1){
if(l&1)ans=min(ans,seg[l++]);
if(!(r&1))ans=min(ans,seg[r--]);
}
return ans;
}
void build(){for(int i=n-1;i>=0;i--)seg[i]=min(seg[i<<1],seg[(i<<1)^1]);}
int32_t main(){
fastio
cin>>n>>k;
for(int i=1;i<=n;i++)cin>>v[i];
v[0]=-1e18;
stack<int>st;
n++;
for(int i=1;i<n;i++){
while(!st.empty()&&v[st.top()]<=v[i])st.pop();
if(!st.empty())l[i]=st.top();
else l[i]=0;
st.push(i);
}
while(!st.empty())st.pop();
for(int i=n-1;i>=1;i--){
while(!st.empty()&&v[st.top()]<=v[i])st.pop();
if(!st.empty())r[i]=st.top();
else r[i]=n;
st.push(i);
}
fill(seg,seg+mxn+5,inf);
seg[n]=0;
build();
for(int j=1;j<=k;j++){
priority_queue<pii,vector<pii>,greater<pii>>pq;
for(int i=0;i<n;i++)dp[i][j]=inf;
for(int i=j;i<n;i++){
int g=qry(l[i],i-1);
g+=v[i];
pq.push({g,r[i]});
while(!pq.empty()&&(pq.top().s<=i))pq.pop();
if(!pq.empty())dp[i][j]=pq.top().f;
}
for(int i=0;i<n;i++)seg[i+n]=dp[i][j];
build();
}
cout<<dp[n-1][k];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5208 KB |
Output is correct |
2 |
Correct |
1 ms |
5212 KB |
Output is correct |
3 |
Correct |
1 ms |
5324 KB |
Output is correct |
4 |
Correct |
1 ms |
5212 KB |
Output is correct |
5 |
Correct |
4 ms |
5208 KB |
Output is correct |
6 |
Correct |
1 ms |
5208 KB |
Output is correct |
7 |
Correct |
1 ms |
5212 KB |
Output is correct |
8 |
Correct |
1 ms |
5212 KB |
Output is correct |
9 |
Correct |
1 ms |
5212 KB |
Output is correct |
10 |
Correct |
1 ms |
5212 KB |
Output is correct |
11 |
Correct |
1 ms |
5464 KB |
Output is correct |
12 |
Correct |
1 ms |
5212 KB |
Output is correct |
13 |
Correct |
1 ms |
5208 KB |
Output is correct |
14 |
Correct |
1 ms |
5212 KB |
Output is correct |
15 |
Correct |
1 ms |
5212 KB |
Output is correct |
16 |
Correct |
1 ms |
5212 KB |
Output is correct |
17 |
Correct |
1 ms |
5332 KB |
Output is correct |
18 |
Correct |
1 ms |
5212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5208 KB |
Output is correct |
2 |
Correct |
1 ms |
5212 KB |
Output is correct |
3 |
Correct |
2 ms |
5212 KB |
Output is correct |
4 |
Correct |
1 ms |
5212 KB |
Output is correct |
5 |
Correct |
1 ms |
5328 KB |
Output is correct |
6 |
Correct |
1 ms |
5208 KB |
Output is correct |
7 |
Correct |
1 ms |
5212 KB |
Output is correct |
8 |
Correct |
2 ms |
5212 KB |
Output is correct |
9 |
Correct |
1 ms |
5212 KB |
Output is correct |
10 |
Correct |
1 ms |
5212 KB |
Output is correct |
11 |
Correct |
1 ms |
5332 KB |
Output is correct |
12 |
Correct |
1 ms |
5332 KB |
Output is correct |
13 |
Correct |
1 ms |
5212 KB |
Output is correct |
14 |
Correct |
1 ms |
5212 KB |
Output is correct |
15 |
Correct |
1 ms |
5204 KB |
Output is correct |
16 |
Correct |
1 ms |
5212 KB |
Output is correct |
17 |
Correct |
1 ms |
5328 KB |
Output is correct |
18 |
Correct |
1 ms |
5304 KB |
Output is correct |
19 |
Correct |
1 ms |
5212 KB |
Output is correct |
20 |
Correct |
1 ms |
5328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5208 KB |
Output is correct |
2 |
Correct |
1 ms |
5212 KB |
Output is correct |
3 |
Correct |
1 ms |
5324 KB |
Output is correct |
4 |
Correct |
1 ms |
5212 KB |
Output is correct |
5 |
Correct |
4 ms |
5208 KB |
Output is correct |
6 |
Correct |
1 ms |
5208 KB |
Output is correct |
7 |
Correct |
1 ms |
5212 KB |
Output is correct |
8 |
Correct |
1 ms |
5212 KB |
Output is correct |
9 |
Correct |
1 ms |
5212 KB |
Output is correct |
10 |
Correct |
1 ms |
5212 KB |
Output is correct |
11 |
Correct |
1 ms |
5464 KB |
Output is correct |
12 |
Correct |
1 ms |
5212 KB |
Output is correct |
13 |
Correct |
1 ms |
5208 KB |
Output is correct |
14 |
Correct |
1 ms |
5212 KB |
Output is correct |
15 |
Correct |
1 ms |
5212 KB |
Output is correct |
16 |
Correct |
1 ms |
5212 KB |
Output is correct |
17 |
Correct |
1 ms |
5332 KB |
Output is correct |
18 |
Correct |
1 ms |
5212 KB |
Output is correct |
19 |
Correct |
1 ms |
5208 KB |
Output is correct |
20 |
Correct |
1 ms |
5212 KB |
Output is correct |
21 |
Correct |
2 ms |
5212 KB |
Output is correct |
22 |
Correct |
1 ms |
5212 KB |
Output is correct |
23 |
Correct |
1 ms |
5328 KB |
Output is correct |
24 |
Correct |
1 ms |
5208 KB |
Output is correct |
25 |
Correct |
1 ms |
5212 KB |
Output is correct |
26 |
Correct |
2 ms |
5212 KB |
Output is correct |
27 |
Correct |
1 ms |
5212 KB |
Output is correct |
28 |
Correct |
1 ms |
5212 KB |
Output is correct |
29 |
Correct |
1 ms |
5332 KB |
Output is correct |
30 |
Correct |
1 ms |
5332 KB |
Output is correct |
31 |
Correct |
1 ms |
5212 KB |
Output is correct |
32 |
Correct |
1 ms |
5212 KB |
Output is correct |
33 |
Correct |
1 ms |
5204 KB |
Output is correct |
34 |
Correct |
1 ms |
5212 KB |
Output is correct |
35 |
Correct |
1 ms |
5328 KB |
Output is correct |
36 |
Correct |
1 ms |
5304 KB |
Output is correct |
37 |
Correct |
1 ms |
5212 KB |
Output is correct |
38 |
Correct |
1 ms |
5328 KB |
Output is correct |
39 |
Correct |
1 ms |
5212 KB |
Output is correct |
40 |
Correct |
1 ms |
5212 KB |
Output is correct |
41 |
Correct |
1 ms |
5212 KB |
Output is correct |
42 |
Correct |
1 ms |
5212 KB |
Output is correct |
43 |
Correct |
1 ms |
5212 KB |
Output is correct |
44 |
Correct |
1 ms |
5212 KB |
Output is correct |
45 |
Correct |
1 ms |
5212 KB |
Output is correct |
46 |
Correct |
1 ms |
5212 KB |
Output is correct |
47 |
Correct |
1 ms |
5212 KB |
Output is correct |
48 |
Correct |
1 ms |
5212 KB |
Output is correct |
49 |
Correct |
1 ms |
5332 KB |
Output is correct |
50 |
Correct |
1 ms |
5212 KB |
Output is correct |
51 |
Correct |
1 ms |
5220 KB |
Output is correct |
52 |
Correct |
1 ms |
5408 KB |
Output is correct |
53 |
Correct |
1 ms |
5212 KB |
Output is correct |
54 |
Correct |
1 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5212 KB |
Output is correct |
56 |
Correct |
2 ms |
5464 KB |
Output is correct |
57 |
Correct |
1 ms |
5212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5208 KB |
Output is correct |
2 |
Correct |
1 ms |
5212 KB |
Output is correct |
3 |
Correct |
1 ms |
5324 KB |
Output is correct |
4 |
Correct |
1 ms |
5212 KB |
Output is correct |
5 |
Correct |
4 ms |
5208 KB |
Output is correct |
6 |
Correct |
1 ms |
5208 KB |
Output is correct |
7 |
Correct |
1 ms |
5212 KB |
Output is correct |
8 |
Correct |
1 ms |
5212 KB |
Output is correct |
9 |
Correct |
1 ms |
5212 KB |
Output is correct |
10 |
Correct |
1 ms |
5212 KB |
Output is correct |
11 |
Correct |
1 ms |
5464 KB |
Output is correct |
12 |
Correct |
1 ms |
5212 KB |
Output is correct |
13 |
Correct |
1 ms |
5208 KB |
Output is correct |
14 |
Correct |
1 ms |
5212 KB |
Output is correct |
15 |
Correct |
1 ms |
5212 KB |
Output is correct |
16 |
Correct |
1 ms |
5212 KB |
Output is correct |
17 |
Correct |
1 ms |
5332 KB |
Output is correct |
18 |
Correct |
1 ms |
5212 KB |
Output is correct |
19 |
Correct |
1 ms |
5208 KB |
Output is correct |
20 |
Correct |
1 ms |
5212 KB |
Output is correct |
21 |
Correct |
2 ms |
5212 KB |
Output is correct |
22 |
Correct |
1 ms |
5212 KB |
Output is correct |
23 |
Correct |
1 ms |
5328 KB |
Output is correct |
24 |
Correct |
1 ms |
5208 KB |
Output is correct |
25 |
Correct |
1 ms |
5212 KB |
Output is correct |
26 |
Correct |
2 ms |
5212 KB |
Output is correct |
27 |
Correct |
1 ms |
5212 KB |
Output is correct |
28 |
Correct |
1 ms |
5212 KB |
Output is correct |
29 |
Correct |
1 ms |
5332 KB |
Output is correct |
30 |
Correct |
1 ms |
5332 KB |
Output is correct |
31 |
Correct |
1 ms |
5212 KB |
Output is correct |
32 |
Correct |
1 ms |
5212 KB |
Output is correct |
33 |
Correct |
1 ms |
5204 KB |
Output is correct |
34 |
Correct |
1 ms |
5212 KB |
Output is correct |
35 |
Correct |
1 ms |
5328 KB |
Output is correct |
36 |
Correct |
1 ms |
5304 KB |
Output is correct |
37 |
Correct |
1 ms |
5212 KB |
Output is correct |
38 |
Correct |
1 ms |
5328 KB |
Output is correct |
39 |
Correct |
1 ms |
5212 KB |
Output is correct |
40 |
Correct |
1 ms |
5212 KB |
Output is correct |
41 |
Correct |
1 ms |
5212 KB |
Output is correct |
42 |
Correct |
1 ms |
5212 KB |
Output is correct |
43 |
Correct |
1 ms |
5212 KB |
Output is correct |
44 |
Correct |
1 ms |
5212 KB |
Output is correct |
45 |
Correct |
1 ms |
5212 KB |
Output is correct |
46 |
Correct |
1 ms |
5212 KB |
Output is correct |
47 |
Correct |
1 ms |
5212 KB |
Output is correct |
48 |
Correct |
1 ms |
5212 KB |
Output is correct |
49 |
Correct |
1 ms |
5332 KB |
Output is correct |
50 |
Correct |
1 ms |
5212 KB |
Output is correct |
51 |
Correct |
1 ms |
5220 KB |
Output is correct |
52 |
Correct |
1 ms |
5408 KB |
Output is correct |
53 |
Correct |
1 ms |
5212 KB |
Output is correct |
54 |
Correct |
1 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5212 KB |
Output is correct |
56 |
Correct |
2 ms |
5464 KB |
Output is correct |
57 |
Correct |
1 ms |
5212 KB |
Output is correct |
58 |
Correct |
25 ms |
11864 KB |
Output is correct |
59 |
Correct |
18 ms |
41440 KB |
Output is correct |
60 |
Correct |
38 ms |
41476 KB |
Output is correct |
61 |
Correct |
341 ms |
41424 KB |
Output is correct |
62 |
Runtime error |
19 ms |
12124 KB |
Execution killed with signal 11 |
63 |
Halted |
0 ms |
0 KB |
- |