Question

How to use bitwise XOR in Swift

Answer 1

import Foundation

func printBits(_ n: Int) {
    let binary = String(n, radix: 2)
    let padded = String(repeating: "0", count: 8 - binary.count) + binary
    
    print(padded)
}

let cases = [(5, 5), (7, 0), (0, 6), (0, 0)]

for (x, y) in cases {
    printBits(x)
    print("^")
    printBits(y)
    print("=")
    printBits(x ^ y)
    print("\n")
}



/*
run:
   
00000101
^
00000101
=
00000000


00000111
^
00000000
=
00000111


00000000
^
00000110
=
00000110


00000000
^
00000000
=
00000000

*/

 

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