Cod sursa(job #523851)

Utilizator cosminvdpruna stefan cosminvd Data 19 ianuarie 2011 16:39:49
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream.h>
#include<math.h>


int n,i,j;
long us,up;
int main()
{
	ifstream f("cifra.in");
	ofstream g("cifra.out");
	f>>n;
	us=0;
  for (i=1 ;i<=n;i++)
   {
    
      up=1;
      for (j=1;j<=i;j++)
        up= up*i%10;
      us=(us+up) % 10;
    }
     g<<us;
	return 0;
}