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C Preprocessor - Programming

Q1:

Point out the error in the program 
#include<stdio.h>

int main()
{
    int i;
    #if A
        printf("Enter any number:");
        scanf("%d", &i);
    #elif B
        printf("The number is odd");
    return 0;
}

A Error: unexpected end of file because there is no matching #endif

B The number is odd

C Garbage values

D None of above

ANS:A - Error: unexpected end of file because there is no matching #endif

The conditional macro #if must have an #endif. In this program there is no #endif statement written.