Famous SO for #3 https://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-processing-an-unsorted-array https://stackoverflow.co

Famous SO for #3 https://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-processing-an-unsorted-array https://stackoverflow.com/questions/11227809/why-is-processi...