Cod sursa(job #155465)
| Utilizator |  Paul Urziceanu m3rik |
Data | 11 martie 2008 22:34:00 |
|---|---|---|---|
| Problema | Cifra | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.24 kb |
#include<fstream.h>
int main()
{
int n,sum=0,x,i,j;
ifstream fin("cifra.in");
ofstream fout("cifra.out");
fin>>n;
for(i=1;i<=n;i++)
{ x=1;
for(j=1;j<=i;j++)
x=x*i%10;
sum=(sum+x)%10;
}
fout<<sum;
return 0;
}