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recursive-approach

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C++ Program to Find Factorial Using Recursion

Last Updated: 23 July 2025

The factorial of a number is denoted by "n!" and it is the product of all positive integers less than or equal to n. In this article, we will learn how to find the factori...read more

Basic Coding Problems

recursive-approach

Count valid strings that contains '0', '1' or '2'

Last Updated: 04 March 2024

Given an integer n(1 = n = 105), the task is to count valid string S of length n, which contains characters '0', '1', or '2' only. For a valid string, it must follow the b...read more

Dynamic Programming

recursive-approach

Geeks Premier League 2023

Count distinct original Strings

Last Updated: 23 July 2025

Given a string str. A faulty machine prints bb instead of character a and prints dd instead of char c and for the rest characters it prints normally, the task is to find h...read more

Dynamic Programming

Algorithms-Dynamic Programming

Algorithms-Recursion

recursive-approach

All Leaves of a Binary Tree - Print in Order

Last Updated: 30 July 2025

Given a binary tree, we need to print all leaf nodes of the given binary tree from left to right. That is, the nodes should be printed in the order they appear from left t...read more

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Algorithms-Recursion

recursive-approach