Cod sursa(job #729105)

Utilizator paunmatei7FMI Paun Matei paunmatei7 Data 29 martie 2012 11:41:17
Problema Koba Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<stdio.h>
long n,t1,t2,t3,t4,s,i;
int main()
{
	freopen("koba.in","r",stdin);
	freopen("koba.out","w",stdout);
	scanf("%ld %ld %ld %ld",&n,&t1,&t2,&t3);
	t1%=10;
	t2%=10;
	t3%=10;
	s=t1+t2+t3;
	for (i=4;i<=n;i++)
	{
		t4=(t3+t2*t1)%10;
		t1=t2;
		t2=t3;
		t3=t4;
		s+=t3;
	}
	printf("%ld",s);
	return 0;
}