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Cod sursa(job #819019)
#include <fstream>
#define Lmax 505
#define INF 500000000000000005
using namespace std;
ifstream fin("podm.in");
ofstream fout("podm.out");
long long m[Lmax][Lmax],d[Lmax];
int n;
void citire();
void pd();
void afisare();
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, k, j, l;
//initializare
for(i=1; i<n; i++)
m[i][i+1]=d[i]*d[i+1]*d[i-1];
//rezolvare
for(k=2; k<=n-1; k++)
for(i=1; i<=n-k; i++)
{
j=i+k;
m[i][j]=INF;
for(l=i; l<j; l++)
m[i][j]=min(m[i][j],m[i][l]+m[l+1][j]+d[i-1]*d[l]*d[j]);
}
}
void afisare()
{
fout<<m[1][n];
fout.close();
}