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1160.cpp
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59 lines (49 loc) · 1.1 KB
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#include <iostream>
#include<iomanip>
#include<map>
using namespace std;
int V[300];
int minDis[300][300];
inline int calculateDis(int v1,int v2){
if(v1>v2)swap(v1,v2);
return V[v2]-V[v1];
}
void calculateMin(int start, int end){
for(int i=start;i<=end;i++){
int sum=0;
for(int j=0;i-j>=0 && i+j<=end;j++){
sum+=calculateDis(i-j,i)+calculateDis(i,i+j);
minDis[i-j][i+j]=sum;
if(i+j+1<=end){
minDis[i-j][i+j+1]=sum+calculateDis(i,i+j+1);
}
}
}
}
int calculate(int v,int p)
{
int result[p][v];
for(int i=0;i<v;i++){
result[0][i]=minDis[0][i];
}
for(int i=1;i<p;i++){
for(int j=i;j<v;j++){
result[i][j]=300*10000;
for(int k=i-1;k<j;k++){
int tmp= result[i-1][k] + minDis[k+1][j];
if(tmp<result[i][j]) result[i][j]=tmp;
}
}
}
return result[p-1][v-1];
}
int main() {
int v,p;
cin>>v>>p;
for(int i=0;i<v;i++){
cin>>V[i];
}
calculateMin(0,v-1);
cout<<calculate(v,p)<<endl;
return 0;
}