Cod sursa(job #172311)

Utilizator ghiutaalexGhiuta Alex ghiutaalex Data 6 aprilie 2008 08:52:36
Problema Koba Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<stdio.h>
long n,a,b,c,i,s,x;
int main()
{FILE*f=fopen("koba.in","r");
 FILE*g=fopen("koba.out","w");
 fscanf(f,"%ld %ld %ld %ld",&n,&a,&b,&c);
 s=a%10+b%10+c%10;
 for(i=4;i<=n;i++)
	{x=(c%10+((b%10)*(a%10))%10)%10;
	 s+=x;
	 a=b%10;
         b=c%10;
         c=x;}
 fprintf(g,"%ld",s);
 fcloseall();
 return 0;
}