Cod sursa(job #1524067)

Utilizator mihai9913Blaga Mihai mihai9913 Data 13 noiembrie 2015 15:33:44
Problema Patrate2 Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.52 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++) prod(v, 2);

    for(int i=v[0]; i>=1; i--)
        g<<v[i];

    return 0;
}