Plus One – C#
Vicky Chhetri
You are given a large integer represented as an integer array digits, where each digits is the ith digit of the integer. The digits are ordered from most significant to…
Valid Parentheses
Given a string s containing just the characters '(', ')', '{', '}', '', determine if the input string is valid. An input string is valid if: Open brackets must be…
Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string Example 1: Input: strs =…
SQL Joins
INNER JOIN: is used when retrieving data from multiple tables and will return only matching data. LEFT OUTER JOIN: is used when retrieving data from multiple tables and will return…
Day 8: C# Casting and type conversions
C# is statically-typed at compile time, after a variable is declared, it cannot be declared again or assigned a value of another type unless that type is implicitly convertible to…
SQL query to find the third highest salary in the company
The question is a bit confusing for the developer, Interviewer Always asks this question in SQL. The most straightforward way that should work in any database is to do the…
Find Pivot Index
Example 1: Input: nums = Output: 3 Explanation: The pivot index is 3. Left sum = nums + nums + nums = 1 + 7 + 3 = 11 Right…
Sum of an array as runningSum[i] = sum(nums[0]…nums[i]).
Return the running sum of nums. Input: nums = Output: Explanation: Running sum is obtained as follows: .
Axios ?
Axios is a promise-based HTTP Client for node.js and the browser. It is isomorphic (= it can run in the browser and nodejs with the same codebase). Installing GET REQUEST…
Day 7: C# Variables
int – stores integers (whole numbers), without decimals, such as 123 or -123double – stores floating point numbers, with decimals, such as 19.99 or -19.99char – stores single characters, such…