Question 1 Given a string str, find the length of the longest substring without repeating characters. PRACTICE NOW Question 2 Given a string, the task is to find the maximum consecutive repeating character in a string. Note: We do not need to consider the overall count, but the count of repeating that appears in one place. Question 3 Given two strings, string and pattern, the task is to find the smallest substring in string containing all characters of pattern. Question 4 Given two strings. The task is to check whether the given strings are anagrams of each other or not. PRACTICE NOW Question 5 Given an array of words, print all anagrams together. For example, if the given array is {"cat", "dog", "tac", "god", act"}, then output may be "cat tac act dog god".