How to Reverse Words in a String using Modern Programming Language?
Given an input string, reverse the string word by word. Example 1: Input: “the sky is blue” Output: “blue is sky the” Example 2: Input: ” hello world! ” …
Multithreading Testing using Pythons’ Low Level _threading Module
In Python, we can use _threading to launch a thread easily using the _thread.start_new_thread procedure. For example, import _thread def thread_proc(threadId, value): print(threadId, value) _thread.start_new_thread( thread_proc, ("Thread-1", "a Number") …
Algorithm to Count the Number of Substrings With Only 1s
Given a binary string s (a string consisting only of ‘0’ and ‘1’s). Return the number of substrings with all characters 1’s. Since the answer may be too large, …
How to Find Root of N-Ary Tree using the Hash Set?
Given all the nodes of an N-ary tree as an array Node tree where each node has a unique value. Find and return the root of the N-ary tree. …
How Many Blocks and Total Rewards for a Steem Witness in the Past 24 Hours?
The blockchain is a public database, this shouldn’t be hard to find out. In this post we know how to call the Steem API to find out the witness …
Can We Make Arithmetic Progression From Sequence of Numbers?
Given an array of numbers arr. A sequence of numbers is called an arithmetic progression if the difference between any two consecutive elements is the same. Return true if …