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
Rotate a Matrix
find the roots of a quadratic equation
Give prime Numbers upto n
Height of a right-angled triangle
Check capital letters
Add the positive numbers
Magnitude of a vector
Second smallest number
Remove multiples of N
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