C Programming
What will be output after executing following code?#include# define a 10void main(){ printf("%d..", a); foo(); printf("%d", a);}void foo(){ #undef a #define a 50}

0
Error
10..50
10..10

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C Programming
Use of functions

Makes the debugging task easier.
Helps to avoid repeated programming across programs.
Helps to avoid repeating a set of statements many times.
All of these
Enhances the logical clarity of the program.

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