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}

Error
10..10
0
10..50

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C Programming
C preprocessor

Takes care of conditional compilation
Takes care of macros
All of these
Takes care of include files
Acts before compilation

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