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Cod sursa(job #832905)
#include <fstream>
#define inf (1LL<<62)
#define LL long long
using namespace std;
ifstream f("podm.in");
ofstream g("podm.out");
LL n,a[505][505],d[505];
int main()
{
int i,j,k;
f>>n;
for(i=0;i<=n;i++)
f>>d[i];
for(i=1;i<n;i++)
a[i][i+1]=d[i-1]*d[i]*d[i+1];
for(int dif=2;dif<n;dif++)
{
for(i=1;i<=n-dif;i++)
{
j=i+dif;
a[i][j]=inf;
for(k=i;k<j;k++)
a[i][j]=min(a[i][j],a[i][k]+a[k+1][j]+d[i-1]*d[k]*d[j]);
}
}
g<<a[1][n]<<'\n';
f.close();
g.close();
return 0;
}