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Cod sursa(job #813249)
#include <fstream>
using namespace std;
ifstream fin("podm.in");
ofstream fout("podm.out");
long long n, d[108], cmin[108][108];
void citire();
void pd();
void afisare();
int main()
{
citire();
pd();
afisare();
fout.close();
return 0;
}
void citire()
{
int i;
fin>>n;
for(i=0;i<=n;i++)
fin>>d[i];
}
void pd()
{
int l, i,j,k,p, minim;
cmin[i][i]=0;
//cmin[i][i+1]=d[i-1]*d[i]*d[i+1];
for(l=2;l<=n;l++)
for(i=1;i<=n-l+1;i++)
{
j=i+l;
for(k=i;k<j;k++)
{
minim=100000;
if(minim>cmin[i][k]+cmin[k+1][j]+d[i-1]*d[k]*d[j])
{
minim=cmin[i][k]+cmin[k+1][j]+d[i-1]*d[k]*d[j];
p=k;
}
}
cmin[i][j]=minim;
cmin[j][i]=p;
}
}
void afisare()
{
fout<<cmin[1][n]<<'\n';
}