Cod sursa(job #149077)
Utilizator | Data | 5 martie 2008 12:16:24 | |
---|---|---|---|
Problema | Koba | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream.h>
unsigned long long n,i,s=0;
int t[2000];
int main ()
{
ifstream f("koba.in");
ofstream g("koba.out");
f>>n>>t[1]>>t[2]>>t[3];
s=s+t[1]%10+t[2]%10+t[3]%10;
for (i=4;i<=n;i++)
{t[i]=(t[i-1]+t[i-2]*t[i-3])%10;
s=s+t[i];
}
g<<s;
f.close();
g.close();
return 0;
}