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Question will be mostly related to Java stream, collection and multithreading
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I applied via Instahyre and was interviewed in Feb 2022. There were 2 interview rounds.
A hackerrank test was shared which had 2 ques to be solved in 60 min in Node.JS. The first one was a simple DS question related to arrays. The second ques was to write routes and controllers for a Node.JS Express app. The routes were GET /projects, GET /project/:id and GET /projects/active
package.json lists dependencies and package-lock.json ensures consistent installs.
package.json lists all the dependencies required for the project
package-lock.json ensures that the same versions of dependencies are installed across all environments
package.json is manually edited while package-lock.json is generated automatically
package-lock.json is used for reproducible builds
Function to count certain functions in the application
Create a dictionary to store the count of each function
Increment the count of the function each time it is called
Include a reset function to reset the count of all functions
Example: def count_functions(): function_count = {}
Example: def function1(): function_count['function1'] += 1
Example: def reset_count(): function_count.clear()
To ensure package versions are taken from package-lock.json, use npm ci instead of npm install.
npm ci installs packages based on package-lock.json
npm install may update package versions in package.json
Always commit package-lock.json to version control
Creating an object with a function inside it.
Create an object using object literal notation
Define a function inside the object using function expression or declaration
Access the function using object.method() syntax
I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.
Good dsa to follow array and string
I applied via Campus Placement
The king can move only towards the corner and not diagonally. How many ways can a king go from one end of the chessboard to the diagonally opposite square?
The king can only move towards the corner, so there are limited options for each move
The total number of moves required to reach the opposite corner is 14
Using combinatorics, the total number of ways the king can reach the opposite corner is 3432
I was interviewed in Sep 2016.
I want to join GS because of their reputation for excellence and the opportunity to work on challenging projects.
GS is known for its prestigious reputation in the financial industry
I am attracted to the opportunity to work on complex and challenging projects
I admire GS's commitment to innovation and cutting-edge technology
I believe GS will provide me with valuable learning and growth opportunities
Find max path from bottom left to top right in a matrix using only up and right steps.
Start from bottom left corner and move towards top right corner.
At each step, choose the maximum value between the cell above and the cell to the right.
Keep track of the sum of values in the chosen path.
The final sum is the maximum possible sum of values in a path from bottom left to top right.
The most likely number to occur as the final sum is 100.
The sum of the outcomes of the dice rolls will keep increasing until it reaches or exceeds 100.
Since the dice have equal probabilities for each outcome, the sum will have a higher chance of reaching 100.
The probability of rolling a sum greater than 100 decreases as the sum gets larger.
Finding probability of point (1,0) lying in longest cut of three random points on circle of radius 1 centered at (0,0)
The longest cut will be the one that spans the smallest angle between two of the three points
The probability can be found by calculating the area of the region where the longest cut includes point (1,0)
This can be done by finding the angle between (1,0) and the two other points and using trigonometry to...
I was interviewed in Aug 2016.
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