Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x.
For example if x is 5, y should be 250 because:
5 (8-bit): 00000101
250 (8-bit): 11111010
Back to basics 15 - Benchmark
Who knows the last digit of pi?
Side of a rhombus
Area of a disk
Add the odd numbers
Remove multiples of N
Add the positive numbers
i forgot to use capital I
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