main() { signed int bit=512, mBit; { mBit = ~bit; bit = bit & ~bit ; printf("%d %d", bit, mBit); } }

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Question :
main()
{
signed int bit=512, mBit;
{
mBit = ~bit;
bit = bit & ~bit ;
printf("%d %d", bit, mBit);
}
}

Category C Interview Questions

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Added on 7/18/2006

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Answers:

Two's complement:

00000000000000001111111111111111 "Not operation" ->

11111111111111110000000000000000 assign to int, since highest position is 1, then Not operation again, ->

10000000000000001111111111111111, then plus 1->

10000000000000010000000000000000, it is - 513

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