(3) Instead of function overloading, using default arguments may make more sense and
fewer overheads.
(4) Declare function prototypes before main() and pass variables instead of passing constant
directly. This will avoid ambiguity that frequently occurs while overloading functions.
7.14 RECURSION
In programming there might be a situation where a function needs to invoke itself. The C++ lan-
guage supports recursive feature, that is a function calls itself repetitively. In recursion a function
calls itself and the control goes to the same function and it executes repeatedly until some condi-
tion is satisfied. In this type ...
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