Pseudo-code · Question 6 · Medium

What will be the output of the following pseudocode? (Note: &, | and ^ are bitwise AND, OR and XOR.)

Integer a, b, c
Set a = 12, b = 7
c = a ^ b
a = c ^ a
Print a + c

Answer and explanation

Answer: B. 18

Explanation: c = 12 ^ 7 = 1100 ^ 0111 = 1011 = 11. Then a = 11 ^ 12 = 1011 ^ 1100 = 0111 = 7. a + c = 7 + 11 = 18.

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What will be the output of the following pseudocode? (Note: &, | and ^ are bitwise AND, OR and XOR.)

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