Cod sursa(job #1524062)

Utilizator mihai9913Blaga Mihai mihai9913 Data 13 noiembrie 2015 15:32:14
Problema Patrate2 Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.77 kb
#include <fstream>
#include <iostream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");

int v[10101];

void prod(int v[],int val)
{   int  i, r=0;
    for(i=1; i<=v[0] || r; i++)
    {   v[i] = val*v[i]+r;
        r = v[i]/10;
        v[i] = v[i]%10;
    }
    v[0] = i - 1;
}
int main()
{   int n;
    f>>n;
    v[0]=v[1]=1;

    for(int i=2; i<=n; i++)

      prod(v, i);



    for(int i=1; i<=n*n; i++)
    {
        int t=0;
        for(int j=1;j<=v[0];j++)
        {
            v[j]=v[j]*2+t;
            t=v[j]/10;
            v[j]%=10;
        }
        while(t)
        {
            v[++v[0]]=t%10;
            t/=10;
        }
    }
    for(int i=v[0]; i>=1; i--)
        g<<v[i];

    return 0;
}