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Bit calculation
Give me the count of numbers from 1 to n having their last two bits as 0. For example function y = ret_count(4) y = x...
6 months 前
已解决
De-primed
Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and re...
6 months 前
已解决
Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
6 months 前
