Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Swap(a,b)

by Programmer June 23, 2021, 7:35 pm 1.2k Views

Swap(a,b)

aatb; ba-b; aa-0; a,b b,a

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