Cod sursa(job #155722)
| Utilizator |  Paul Urziceanu m3rik |
Data | 12 martie 2008 09:32:23 |
|---|---|---|---|
| Problema | Cifra | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream.h>
int main()
{
int sum=0,x,j,k,t;
unsigned long n,i;
ifstream fin("cifra.in");
ofstream fout("cifra.out");
fin>>t;
for(k=1;k<=t;k++)
{
fin>>n; sum=0;
for(i=1;i<=n;i++)
{ x=1;
for(j=1;j<=i;j++)
x=x*(i%10);
sum=(sum+x)%10;
}
fout<<sum<<"\n";
}
return 0;
}