Pagini recente » Cod sursa (job #1775015) | Cod sursa (job #2299366) | Cod sursa (job #2784948) | Cod sursa (job #1346500) | Cod sursa (job #711949)
Cod sursa(job #711949)
#include<fstream>
#include<iostream>
#include<cmath>
#include <cstdio>
using namespace std;
ifstream fin("patrate2.in");
int x[10000];
int n,k=1,nr2;
void inmult(int nr2)
{
int tr=0;
for(int i=1;i<=k;++i)
{
int nr=x[i]*nr2;
x[i]=(nr+tr)%10000;
tr=(nr+tr)/10000;
}
while(tr)
{
x[++k]=tr%10000;
tr/=10000;
}
}
int main()
{
fin>>n;
x[1]=1;
for(int i=1;i<=n*n;++i)
inmult(2);
for(int i=1;i<=n;++i)
inmult(i);
freopen ("patrate2.out","w",stdout);
printf("%d",x[k]);
for(int i=k-1;i>=1;--i)
printf("%04d",x[i]);
return 0;
}