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Interview Question

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    0
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    7
    Answers

    main(){
    union d{
    unsigned int a:1;
    unsigned int b:3;
    unsigned c:2;};
    union d aa;
    aa.b=6;aa.c=2;aa.a=1;
    printf("%d %d %d",aa.a,aa.b,aa.c);}
    What does the above code output?

    - Barney on July 03, 2012 in United States Report Duplicate | Flag
    C

Country: United States

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2
of 2 vote

Answer would be 1 7 3, check

- Luv on July 03, 2012 | Flag Reply
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0
of 0 vote

1 3 7

- arun on July 03, 2012 | Flag Reply
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0
of 0 votes

there would be max 3 bit.
aa.b=6=110
aa.c=2=10
aa.a=1

now final bit 111
so aa.a=1
aa.b=11=3
aa.c=111=7

- arun on July 03, 2012 | Flag
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0
of 0 votes

can you please explain the output when input is
aa.b=1;aa.c=3;aa.a=7;

- Abhishek on July 03, 2012 | Flag
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0
of 0 votes

aa.b=1=001
aa.c=3=11
aa.a=7(actually aa.a is of i bit so it take only 1)=1


so the final bit is 011

so aa.a=1=1
aa.b=011=3
aa.c=11=3

- arun on July 03, 2012 | Flag
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0
of 0 votes

in gcc tha ans is
1 3 3

- arun on July 03, 2012 | Flag
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0
of 0 vote

can you explain the logic?

- sakshi on July 18, 2012 | Flag Reply


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