Programalama > C++

#include <cstdlib> 
#include <iostream> 

using namespace std; 

int f(int n){ 
   if (n==1) return 1; 
   else if (n==2) return 1; 
   else return f(n-2)+f(n-1); 
} 
int main(void) 
{ 
   int top=0; 
   for(int i=1;i<=20;i++){ 
   cout<<"fib("<<i<<")="<<f(i)<<endl; 
   top+=f(i); 
} 
   cout<<"toplam ="<<top<<endl; 
   system("PAUSE"); 
   return EXIT_SUCCESS; 
}

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