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Cod sursa(job #594467)
#include <iostream>
#include <fstream>
using namespace std;
const long Infinit=2000000005;
long D[505], POM[505][505], N;
void Read ()
{
ifstream fin ("podm.in");
long i;
fin >> N;
for (i=0; i<=N; ++i)
{
fin >> D[i];
}
fin.close ();
}
void Type ()
{
ofstream fout ("podm.out");
fout << POM[1][N] << "\n";
fout.close ();
}
inline long Min (long a, long b)
{
if (a<b)
{
return a;
}
return b;
}
int main()
{
long d, i, j, k, Best;
Read ();
for (d=2; d<=N; d++)
{
for (i=1; i<=N; i++)
{
j=i+d-1;
Best=Infinit;
for (k=i; k<j; k++)
{
Best=Min (Best, POM[i][k]+POM[k+1][j]+D[i-1]*D[k]*D[j]);
}
POM[i][j]=Best;
}
}
Type ();
return 0;
}