LeetCode – Strings – Is Subsequence
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s and…
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s and…
Given a string s consisting only of letters 'a' and 'b'. In a single step you can remove one palindromic subsequence from s. Return the minimum number of steps to…
Given two equal-size strings s and t. In one step you can choose any character of t and replace it with another character. Return the minimum number of steps to…
Given a (singly) linked list with head node root, write a function to split the linked list into k consecutive linked list “parts”. The length of each part should be…
Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the value in…
Let’s define a function f(s) over a non-empty string s, which calculates the frequency of the smallest character in s. For example, if s = "dcce" then f(s) = 2…
In my previous post, I have shown you how to build a basic Flask application, now lets dockerize the application. You can follow the Django 3.0 application which we will…
This tutorial will explain the step by step procedure on building a basic Flask application. Flask can be defined as a lightweight WSGI web application framework. It’s quick and easy…
We are given a linked list with head as the first node. Let’s number the nodes in the list: node_1, node_2, node_3, ... etc. Each node may have a next…
There are n soldiers standing in a line. Each soldier is assigned a unique rating value. You have to form a team of 3 soldiers amongst them under the following…