41 lines
614 B
C++
41 lines
614 B
C++
#include<iostream>
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using namespace std;
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int dp[200][200],a[200],sum,temp;
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int main()
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{
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int i,j,k,n,min;
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while(cin>>n&&n)
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{
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min=0;
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sum=0;
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for(i=1;i<=n;i++)
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cin>>a[i];
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for(i=1;i<=n;i++)
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{
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sum+=a[i];
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dp[1][i]=(1+i)*sum;
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}
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for(i=2;i<=n;i++)
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for(j=i;j<=n;j++)
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{
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sum=0;min=100000000;
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for(k=j;k>=i;k--)
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{
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sum+=(i+j)*a[k];
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temp=dp[i-1][k-1]+sum;
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if(temp<min)
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min=temp;
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}
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dp[i][j]=min;
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}
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min=1000000000;
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for(i=1;i<=n;i++)
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{
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if(min>dp[i][n])
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min=dp[i][n];
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}
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cout<<min<<endl;
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}
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return 0;
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}
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