Program to Find the Single Number in an Array LeetCode problem. In this question, we have an array containing numbers in pairs, but a single number appears only once in an array and we need to print that out. Note: Our solution needs to have a Linear Runtime Complexity and… Read More »Single Number in Array LeetCode C++
Today’s problem, write a program to validate username, similar to the Instagram username validation program, I came up with a simple solution in C++. The problem is very simple, we just need to take care of the rules and limits stated below. Conditions and Rules for Username Can contain Numbers… Read More »Program to Validate Username
LeetCode Contains Duplicate problem, to check if the given array contains duplicates or not, if yes return True else return False Asked in: Google Difficulty: Easy Description This is an easy problem and can be solved in one iteration as we start from the beginning if we find any number… Read More »Contains Duplicate LeetCode C++