Cod sursa(job #1599695)

Utilizator RaduXD1Nicolae Radu RaduXD1 Data 14 februarie 2016 11:25:04
Problema Patrate2 Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.68 kb
#include<iostream>
#include<fstream>
#include<algorithm>

using namespace std;
ifstream fin("patrate2.in");
ofstream fout("patrate2.out");
int a[100000],n,x,i;

void afis(int a[])
{
    int i;
    for(i=a[0];i>=1;i--)
        fout<<a[i];
}

void prod(int a[],  int b)
{
    int i,t=0;
    for(i=1;i<=a[0];i++)
    {
        a[i]=a[i]*b+t;
        t=a[i]/10;
        a[i]%=10;
    }
    while(t>0)
    {
        a[++a[0]]=t%10;
        t/=10;
    }
}

int main()
{
    fin>>n;
    a[0]=1;
    a[1]=1;
    for(i=1;i<=n;i++)
        prod(a, i);
    for(i=1;i<=n*n;i++)
        prod(a, 2);
    afis(a);
    fin.close();
    fout.close();
    return 0;
}