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Problem Statement 11 : Macro identifier (#define) in switch

#include"stdio.h"
#define var 1
void main()
{
 int choice = 1 ;
 switch(choice)
 {
  case var: 
        printf("nAllas");
        break;

  case 2:
        printf("nBabo");
        break;

  case 3:
        printf("nHurray");
        break;
 }
}

1. Babo
2. Error : Variables are not allowed
3. Hurray
4. Allas

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1. #define is preprocessor
2. Before Executing program Macro processor just replaces the ‘var’ by its eqivalent definition 
3. Here ‘var’ is replaced by 1 and case 1 will be executed

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Select Switch Case Question : Question 01Question 02Question 03Question 04Question 05Question 06Question 07Question 08Question 09Question 10Question 11Question 12Question 13Question 14Question 15Question 16Question 17Question 18Question 19Question 20

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