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Cod sursa(job #289769)
#include<stdio.h>
int n,nr;
int v[10000];
void inm2()
{
int i,t=0;
for(i=1;i<=nr;i++)
{
t+=v[i]<<1;
v[i]=t%10;
t=t/10;
}
if(t)
v[++nr]=t;
}
void inm()
{
int i,t=0;
for(i=1;i<=nr;i++)
{
t+=v[i]*n;
v[i]=t%10;
t=t/10;
}
while(t)
{
v[++nr]=t%10;
t=t/10;
}
}
void read()
{
freopen("patrate2.in","r",stdin);
freopen("patrate2.out","w",stdout);
scanf("%d",&n);
int lim=n*n;
int i;
nr=1;
v[nr]=1;
for(i=1;i<=lim;i++)
inm2();
inm();
for(i=nr;i>=1;i--)
printf("%d",v[i]);
}
int main()
{
read();
return 0;
}