Cod sursa(job #1938025)
Utilizator | Data | 24 martie 2017 15:49:21 | |
---|---|---|---|
Problema | Koba | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.7 kb |
#include <fstream>
using namespace std;
ifstream f("koba.in");
ofstream g("koba.out");
int S,i,t[100000],n;
int ulcif(int a)
{ int r;
r=a%10;
return r;
}
int main()
{
f>>n>>t[1]>>t[2]>>t[3];
if(n==3) g<<ulcif(t[1])+ulcif(t[2])+ ulcif(t[3])<<'\n';
else if(n==2) g<<ulcif(t[1])+ulcif(t[2])<<'\n';
else if(n==1) g<<ulcif(t[1])<<'\n';
else if(n==0) g<<0<<'\n';
else { S=ulcif(t[1])+ulcif(t[2])+ ulcif(t[3]);
i=4;
while(i<=n) { t[i]=ulcif(t[i-1]+t[i-2]*t[i-3]);
S=S+t[i];
i++;
}
g<<S<<'\n';
}
return 0;
}