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Cod sursa(job #812847)
#include <fstream>
#include <algorithm>
using namespace std;
ifstream intrare("podm.in");
ofstream iesire("podm.out");
long long int N, d[505], cmin[505][505], i,k,j,x;
int main()
{
intrare>>N;
for(i=0;i<=N;i++)
intrare>>d[i];
for(i=1;i<=N-1;i++)
cmin[i][i+1]=d[i-1]*d[i]*d[i+1];
for(x=2;x<=N-1;x++)
for(i=1;i<=N-x;i++)
{
j=i+x;
cmin[i][j]=999999;
for(k=i;k<=j-1;++k)
cmin[i][j]=min(cmin[i][j],cmin[i][k]+cmin[k+1][j]+d[i-1]*d[k]*d[j]);
}
iesire<<cmin[1][N];
return 0;
}