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Cod sursa(job #812990)
#include<fstream>
using namespace std;
ifstream fin ("podm.in");
ofstream fout ("podm.out");
void citire();
void pd();
void afisare();
long long int n, d[501];
long long int cmin[501][501];
int main ()
{
citire();
pd();
afisare();
return 0;
}
void citire()
{
int i;
fin>>n;
for(i=0;i<=n;i++)
fin>>d[i];
}
void pd ()
{
int i, j, k, x;
for(i=1;i<n;i++)
cmin[i][i+1]=d[i-1]*d[i]*d[i+1];
for(x=3;x<=n;x++)
for(i=1;i<=n-x+1;i++)
{
j=i+x-1;
cmin[i][j]=1000000000;
for(k=i;k<=j-1;k++)
if(cmin[i][j]>cmin[i][k]+cmin[k+1][j]+d[i-1]*d[k]*d[j])
{
cmin[i][j]=cmin[i][k]+cmin[k+1][j]+d[i-1]*d[k]*d[j];
cmin[j][i]=k;
}
}
}
void afisare()
{
fout<<cmin[1][n]<<'\n';
}