Cod sursa(job #2641194)
Utilizator | Predescu Sebastian Ion PredescuSebastianIon | Data | 10 august 2020 14:39:19 |
---|---|---|---|
Problema | Patrate2 | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.54 kb |
#include <fstream>
#define nmax 1000000
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int n,sol[nmax];
void inmultire(int x)
{
int i,t=0;
for(i=1;i<=sol[0] || t;i++,t/=10)
{
sol[i]=(t+=sol[i]*x)%10;
}
sol[0]=i-1;
}
int main()
{
f>>n;
sol[0]=sol[1]=1;
for(int i=1; i<=n*n; i++)
{
inmultire(2);
}
for(int i=2; i<=n; i++)
{
inmultire(i);
}
for(int i=sol[0]; i>=1; i--)
{
g<<sol[i];
}
return 0;
}