Need the second smallest and second largest in one array? We compare a clear two-pass “better” method with a one-pass…
Browsing: Easy
Find the n-th Fibonacci number with a recursive function in Python. Clear problem statement, examples, easy-to-grasp intuition, commented code, dry…
Learn two easy ways to test a Palindrome String: a clean recursive method and a space saving two-pointer loop. Includes…
Learn how to find a topological sort of a directed acyclic graph (DAG) using depth-first search (DFS) and a stack.…
Hi everyone! In this article, we’ll guide you through the Python program to find factorial of number using recursion. The…
Hi everyone, in this article we’ll guide you through the Python program to print from 1 to N without loops…
Hi everyone! In this article, we’ll explain the Python program to print divisors/factors of an integer. Helping you understand better…
Hello curious minds! In this article we’ll explore the Python program to check Armstrong Number. Explained comprehensively with examples, code,…
Python Program to Count Number of Digits [Problem Link]. EXAMPLES: As only one digit is ‘2’ present in ‘X’ so…
Welcome to this article on extraction of digits in Python. Explained step-by-step with the intuitive approach, code, explanation, dry run…