Cod sursa(job #1662571)

Utilizator ionut98Bejenariu Ionut Daniel ionut98 Data 24 martie 2016 21:23:13
Problema Patrate2 Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.51 kb
#include<fstream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int v[10001],i,j,m,n,k;
void mult(int k)
{
    int r=0;
    for(int i=1;i<=v[0];i++)
    {
        v[i]=v[i]*k+r;
        r=v[i]/10;
        v[i]%=10;
    }
    while(r!=0)
    {
        v[++v[0]]=r%10;
        r/=10;
    }
}
int main()
{
    v[1]=v[0]=1;
    f>>n;
    for(i=1;i<=n;i++)
      mult(i);
    for(i=1;i<=n*n;i++)
      mult(2);
    for(i=v[0];i>=1;i--)
      g<<v[i];
    return 0;
}