C Programming Language MCQ › Union in C Language › Question #2686
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QWhat will be the output of the program? 

#include<stdio.h>

int main()
{
    enum days {MON=-1, TUE, WED=6, THU, FRI, SAT};
    printf("%d, %d, %d, %d, %d, %d\n", ++MON, TUE, WED, THU, FRI, SAT);
    return 0;
}

ID: #2686 Union in C Language 833 views
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#2686Q ID
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Union in C LanguageTopic
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  • A -1, 0, 1, 2, 3, 4 ✔ ✖
  • B Error ✔ ✖
  • C 0, 1, 6, 3, 4, 5 ✔ ✖
  • D 0, 0, 6, 7, 8, 9 ✔ ✖
Correct Answer: Option B

Explanation

Because ++ or -- cannot be done on enum value.
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