CodePudding user response:

Reference:

 # include 

Int main () 
{
Int j, k, n. 
Double f, s; 

The scanf (" % d ", & amp; N); 
S=0.0;//2 
for(k=1; K<=n; K++) {
F=1.0;//2 
For (j=1; J<=k; J++)//3 points 
F *=j;//3 points 
S=s + 1.0/f; 
} 
Printf (" sum=% f \ n ", s); 

return 0; 
} 

CodePudding user response:

The building Lord what problem? Header file write function, not seen such a writing yet,