Tag: Python function
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s, return whether it’s an IPv4 address. IPv4 addresses must follow the format A.B.C.D, where A, B, …
Problem statement: Given a cage that has R rabbits and C chicken, and we know there are H heads and L legs. So find out the value of R …
Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> …
As you know, the witness is rewarded for produce a block. The TOP 20 gets to produce the blocks more frequently than the backup witnesses, but the reward for …
We known that in Javascript, we can use the toString(16) to convert an integer to its hexadecimal representation. That works even for float numbrs, for example, (0.5).toString(16) "0.8" (1.5).toString(16) …