Problem Statement In “Make The String Great” problem a string is given consists of lower and upper case letters. We have to make this string good by removing adjacent characters in the string which is making the string bad. A good string is a string which doesn’t have two adjacent …
Problem Statement In this problem a multiword string is given and we have to return the length of the last word present in that string. If there are no words we have to return 0. Example s = “Hello World” 5 Explanation: Length of the last word “World” is 5. …
String startswith() and endswith(): Python provides the built-in methods startswith() and endswith() for string manipulation. The startswith() and endswith() methods check if the string starts or ends with the given substring. You can also specify where your search should begin on a string. startswith(): The startswith() method checks if the …
Problem Statement “Scramble String” problem states that you are given two strings. Check if the second string is a scrambled string of first one or not? Explanation Let string s = “great” Representation of s as binary tree by recursively dividing it into two non-empty sub-strings. This string can be …
We have to find out the group anagrams of the given words. This means for each word we are going to sort it and store it as a key and original input which is not sorted as a value and if any other input has the same value as a …
In problem “Integer to English words” we have given a non-negative integer and the tasks to convert that integer into its numerical words or we get an input of a number, any number, and our task is to represent that number in a string form. Let’s see one example, the …
In the problem “Find the smallest range containing elements from k lists” we have given K lists which are sorted and of the same size N. It asks to determine the smallest range that contains at least element(s) from each of the K lists. If there is more than one …
Problem Statement Suppose we have given an integer n, for all the values of n base k are 1 when a good base k>=2. Suppose we have given a string format-number ‘n’. The problem statement asks to find out the smallest good base of n and to return it in …
The problem “Minimum insertions to form a palindrome with permutations allowed” states that you are given a String with all letters in lowercase. The problem statement asks to find out the minimum insertion of a character to a string that it can become Palindrome. The position of characters can be …
The problem “LCS (Longest Common Subsequence) of three strings” states that you are given 3 strings. Find out the longest common subsequence of these 3 strings. LCS is the string that is common among the 3 strings and is made of characters having the same order in all of the …