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I applied via Company Website
I applied via Company Website and was interviewed before Jun 2021. There were 2 interview rounds.
I applied via Company Website and was interviewed in Jan 2021. There were 5 interview rounds.
String manipulation problems involve modifying or analyzing strings of characters.
Use built-in string methods like substring, replace, and split.
Regular expressions can be powerful tools for pattern matching and manipulation.
Be mindful of edge cases like empty strings and null values.
Consider the time and space complexity of your solution.
Practice with coding challenges on websites like LeetCode and HackerRank.
I applied via Approached by company and was interviewed in Dec 2021. There were 4 interview rounds.
2 questions. 1 was basic level. 2 was of medium level.
Find first missing positive number in an array in O(n) time and O(1) space.
Traverse the array and mark the presence of each positive integer by changing the sign of the corresponding index.
Traverse the array again and return the index of the first positive integer.
If all integers are present, return the length of the array + 1.
Example: [3, 4, -1, 1] => mark 3rd and 4th index as negative => return 2.
Example: [1, 2, 0] =...
Given an integer, print the relevant column name in an excel sheet.
Create a string array of alphabets from A to Z
Use modulo operator to get remainder and divide by 26 to get quotient
Append the corresponding alphabet to the result string
Reverse the result string
I applied via Campus Placement
I applied via LinkedIn and was interviewed in Apr 2023. There were 3 interview rounds.
Use Depth First Search (DFS) to find connected components in a graph
Start by initializing all vertices as unvisited
Iterate through each vertex and perform DFS to find connected components
Keep track of visited vertices to avoid revisiting
Example: For a graph with vertices {A, B, C} and edges {(A, B), (B, C)}, the connected components are {A, B, C}
Design a chess game with proper board setup, piece movements, and win conditions.
Create a 8x8 grid to represent the chess board
Assign initial positions to each type of chess piece (pawn, rook, knight, bishop, queen, king)
Implement rules for each piece's movement (e.g. pawn moves forward, rook moves horizontally/vertically)
Check for valid moves and capture opponent's pieces
Implement win conditions (checkmate, stalemate)
...
Exam to test reasoning and aptitude, and speed to answer them
Dsa question easy to medium level
Print pyramid from Fibonacci sequence
Generate Fibonacci sequence up to a certain number
Use the Fibonacci numbers to create the pyramid structure
Print each row of the pyramid with appropriate spacing
Design SQL tables for library management system
Create tables for books, authors, members, transactions, etc.
Use primary and foreign keys to establish relationships between tables
Include columns like book title, author name, member ID, due date, etc.
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