#include<string.h>
#include<stdio.h>
#include<algorithm>
using namespace std;
#define INF 0x3fffffff
int a[205],dp[205][205],sum[205];
int main()
{
	int n,i,j;
	while(scanf("%d",&n)!=EOF)
	{
		sum[0]=0;
		for(i=1;i<=n;i++)
		{
			scanf("%d",&a[i]);
			dp[i][i]=0;
			sum[i]=sum[i-1]+a[i];
		}	
		for(int L=2;L<=n;L++)
			for(i=1;i<=n-L+1;i++)
			{
				j=i+L-1;
				dp[i][j]=INF;
				for(int k=i;k<=j;k++)
					dp[i][j]=min(dp[i][j],dp[i][k]+dp[k+1][j]+sum[j]-sum[i-1]);
			}
		printf("%d\n",dp[1][n]);
	}
	return 0;
}