Given a string s, find the length of the longest substring without repeating characters. For example – Example 1: Input: “abcabcbb” Output: 3 The output…
Category: programming
In this tutorial, I am going to discuss a very interesting problem sort characters by frequency. Given a string, write a method to sort it…
Given an array of integers, write a code to find peak element in array. The array may contain multiple peak elements, in that case, return…