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Cod sursa(job #716356)
#include <stdio.h>
#include <algorithm>
using namespace std;
long long n;
long long d[600];
long long m[600][600];
void citire()
{
scanf("%lld",&n);
for(long long i=0;i<=n;i++)
{
scanf("%lld",&d[i]);
}
}
int main()
{
freopen("podm.in","r",stdin);
freopen("podm.out","w",stdout);
citire();
for(long long i=2;i<=n;i++)
{
for(long long j=i,k=1;j<=n;j++,k++)
{
long long x=m[k][k]+m[k+1][j]+d[k-1]*d[k]*d[j];
long long X;
for(long long I=k;I<j;I++)
{
long long y=m[k][I]+m[I+1][j]+d[k-1]*d[I]*d[j];
if(x>y)
{
x=y;
X=I;
}
}
m[j][k]=X;
m[k][j]=x;
}
}
printf("%lld\n",m[1][n]);
return 0;
}