Cod sursa(job #485920)
Utilizator | Data | 19 septembrie 2010 21:35:38 | |
---|---|---|---|
Problema | Koba | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
#include<cstdio>
int n,t1,t2,t3,t4,s;
void rez()
{
scanf("%d%d%d%d",&n,&t1,&t2,&t3);
t1%=10;
t2%=10;
t3%=10;
s=t1+t2+t3;
for (int i=4;i<=n;++i)
{
t4=t3+t2*t1;
t4%=10;
t1=t2;
t2=t3;
t3=t4;
s+=t4;
}
printf("%d",s);
}
int main()
{
freopen("koba.in","r",stdin);
freopen("koba.out","w",stdout);
rez();
return 0;
}