#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,f[100009],dp[100009][109],mxa,fen[100009],msh[100009],rm[100009][17],zxc,zx,xc,ka[100009];
map <int, int> m;
map <int, int>::iterator itt;
void upd(int q, int w){
q=a+1-q;
while(q<=a+2){
fen[q]=w;
q=q+(q&(-q));
}
}
int read(int q){
q=a-q+1;
if(q<=0) return 0;
int mxpa=0;
while(q>=1){
if(fen[q]>mxpa) mxpa=fen[q];
q=q-(q&(-q));
}
return mxpa;
}
int main(){
ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>a>>b;
for(c=1; c<=a; c++){
cin>>f[c];
m[f[c]]=1;
if(mxa<f[c]) mxa=f[c];
}
c=0;
for(itt=m.begin(); itt!=m.end(); itt++){
c++;
m[(*itt).first]=c;
}
ka[0]=0;
for(c=1; c<=a+2; c++){
if((1<<ka[c-1])*2<c) ka[c]=ka[c-1]+1; else ka[c]=ka[c-1];
}
for(c=0; c<=a+3; c++){
fen[c]=0;
}
for(c=1; c<=a; c++){
d=read(m[f[c]]+1);
msh[c]=d;
upd(m[f[c]],c);
}
for(d=0; d<=a; d++){
for(c=0; c<=b; c++) dp[d][c]=999999999;
}
d=0;
for(c=1; c<=a; c++){
if(d<f[c]) d=f[c];
dp[c][1]=d;
}
if(b==1){
cout<<dp[a][1];
return 0;
}
for(c=2; c<=b; c++){
for(d=0; d<=a; d++) rm[d][0]=dp[d][c-1];
for(e=1; e<=16; e++){
zx=a-(1<<e)+1;
for(d=0; d<=zx; d++){
if(rm[d][e-1]<rm[d+(1<<(e-1))][e-1]){
rm[d][e]=rm[d][e-1];
}else{
rm[d][e]=rm[d+(1<<(e-1))][e-1];
}
}
}
for(d=1; d<=a; d++){
zx=d-msh[d];
dp[d][c]=min(rm[msh[d]][ka[zx]],rm[d-(1<<ka[zx])][ka[zx]])+f[d];
if(dp[d][c]>dp[msh[d]][c]) dp[d][c]=dp[msh[d]][c];
}
}
cout<<dp[a][b];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
248 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
22 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
43 ms |
5752 KB |
Output is correct |
2 |
Correct |
40 ms |
21344 KB |
Output is correct |
3 |
Correct |
71 ms |
24312 KB |
Output is correct |
4 |
Correct |
358 ms |
24312 KB |
Output is correct |
5 |
Execution timed out |
1078 ms |
54392 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |