Const - C Programming Questions and Answers

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Point out the error in the program.

#include 

 int main() 
 {   
      const int x;   
      x=128;    
      printf("%d\n", x);     
      return 0; 
 }

Error: unknown data type const int

Error: const variable have been initialised when declared.

Error: stack overflow in x

No error

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Answer : Option B

Explanation :

A const variable has to be initialized when it is declared. later assigning the value to the const variable will result in an error "Cannot modify the const object".