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I applied via Campus Placement and was interviewed before Oct 2021. There were 4 interview rounds.
Conducted on HackerEarth; Basic array and string manipulation questions;Four questions were given,solving three will be enough.
Debugging a website involves identifying and fixing errors in the code and design.
Use browser developer tools to inspect elements and console logs
Check for syntax errors and broken links
Test website on different browsers and devices
Use debugging tools like Xdebug or Firebug
Ask for help from colleagues or online communities
Default port numbers for TCP/HTTP/HTTPS
TCP: 80
HTTP: 80
HTTPS: 443
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posted on 10 May 2015
Locate sum of 2 numbers in a linear array (unsorted and sorted) and their complexities
For unsorted array, use nested loops to compare each element with every other element until the sum is found
For sorted array, use two pointers approach starting from the beginning and end of the array and move them towards each other until the sum is found
Complexity for unsorted array is O(n^2) and for sorted array is O(n)
Pointers are used to manipulate memory addresses and values in C++. Increment/decrement, address of and value at operators are commonly used.
Incrementing a pointer moves it to the next memory location of the same data type
Decrementing a pointer moves it to the previous memory location of the same data type
The address of operator (&) returns the memory address of a variable
The value at operator (*) returns the value sto
To determine if a point is inside or outside a rectangle, we check if the point's coordinates fall within the rectangle's boundaries.
Check if the point's x-coordinate is greater than the left edge of the rectangle
Check if the point's x-coordinate is less than the right edge of the rectangle
Check if the point's y-coordinate is greater than the top edge of the rectangle
Check if the point's y-coordinate is less than the b...
To find line that divides rectangle into 2 equal halves through a point inside it.
Find the center of the rectangle
Draw a line from the center to the given point
Extend the line to the opposite side of the rectangle
The extended line will divide the rectangle into 2 equal halves
There are multiple combinations of 8-bit and 16-bit signed numbers. How many such combinations are possible?
There are 2^8 (256) possible combinations of 8-bit signed numbers.
There are 2^16 (65,536) possible combinations of 16-bit signed numbers.
To find the total number of combinations, we can add the number of combinations of 8-bit and 16-bit signed numbers.
Therefore, the total number of possible combinations is 256 +
Find duplicates in an array of elements in 0(n) time and 0(1) space.
Use the property of inputs to your advantage
Iterate through the array and mark elements as negative
If an element is already negative, it is a duplicate
Return all the negative elements as duplicates
Hash Map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
Hash Map uses a hash function to determine the index of the key-value pair in the underlying array.
Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.
Hash Map typically has a load factor threshold to determine whe...
I was interviewed before Jun 2023.
Basic Technical questions
I applied via Naukri.com and was interviewed in Oct 2022. There were 2 interview rounds.
Angular life cycle hooks are methods that allow developers to tap into specific moments in the component's life cycle.
There are eight life cycle hooks in Angular: ngOnChanges, ngOnInit, ngDoCheck, ngAfterContentInit, ngAfterContentChecked, ngAfterViewInit, ngAfterViewChecked, ngOnDestroy
ngOnChanges is called when an input property changes
ngOnInit is called after the first ngOnChanges
ngDoCheck is called during every cha...
Data binding in Angular is a way to synchronize data between the model and the view.
Data binding allows for automatic updates to the view when the model changes and vice versa.
There are three types of data binding in Angular: Interpolation, Property binding, and Event binding.
Interpolation is used to display data in the view using double curly braces {{}}.
Property binding is used to set a property of a directive or com...
I applied via Campus Placement and was interviewed in Jul 2023. There were 5 interview rounds.
Easy to crack. Just basics needed.
There were easy to medium questions.
Question on aptitude was from -speed & Distance, Train problem, Blood relationship, Number system etc.
Java program to find shortest distance between 2 nodes in an array of strings
Create a method that takes in the array of strings and the two nodes as parameters
Use a map to store the index of each node in the array
Calculate the distance between the two nodes using their indices in the array
OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOPs stands for Object-Oriented Programming
Key concepts include classes, objects, inheritance, polymorphism, and encapsulation
Classes are blueprints for creating objects, which are instances of classes
Inheritance allows a class to inherit properties and behavior from an...
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