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Cod sursa(job #813192)
#include <fstream>
#define lgmax 101
using namespace std;
ifstream fin("podm.in");
ofstream fout("podm.out");
void citire();
void pd();
long long int m[lgmax][lgmax];
long long int d[lgmax];
int n;
long long int inf=1000000000;
int main()
{
citire();
pd();
fout<<m[1][n]<<'\n';
fout.close();
return 0;
}
void citire()
{
int i;
fin>>n;
for(i=0;i<n+1;i++)
fin>>d[i];
}
void pd()
{
int l, i,j,k,pozmin;
int min;
for(l=2;l<=n;l++)
for(i=1;i<=n-l+1;i++)
{
j=i+l-1;
//seinmultesc nr matrice de la Ai laAj
for(k=i,min=inf;k<j;k++)
{
//det min si poz sau
if(min>m[i][k]+m[k+1][j]+d[i-1]*d[k]*d[j])
{
min=m[i][k]+m[k+1][j]+d[i-1]*d[k]*d[j];
pozmin=k;
}
}
m[i][j]=min;
m[j][i]=pozmin;
}
}