Gameskraft Interview Questions, Process, and Tips

Q1. Write SQL query
Ans. 
SQL query to retrieve total sales amount by product category
• Use GROUP BY clause to group the results by product category

• Use SUM() function to calculate the total sales amount

• Join the tables if necessary to get the required data
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Three coding questions to be solved in 90 minutes.

Q1. K rotation of a an array
Ans. 
Rotate an array by K positions to the right
• Create a new array and copy elements from original array starting from index (n-k) to n-1, then copy elements from index 0 to (n-k-1)

• Alternatively, reverse the entire array, then reverse the first k elements and the remaining n-k elements separately

• Handle cases where k is greater than array length by taking modulo of k with array length
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Q2. Spiral order matrix print
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Q1. Unique paths from top left of a binary tree to bottom right.
Ans. 
Count the number of unique paths from top left to bottom right in a binary tree.
• Use dynamic programming to keep track of the number of paths at each node.

• At each node, the number of paths is the sum of the number of paths from the node to the right and the node below.

• Example: For a 2x2 binary tree, there are 2 unique paths.
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Q2. Maximum triplet sum such that i
Ans. 
Find the maximum triplet sum satisfying given conditions
• Sort the array in ascending order

• Iterate through the array and keep track of the maximum triplet sum meeting the conditions

• Return the maximum triplet sum found
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Q1. Implementation of LFU Cache
Ans. 
LFU (Least Frequently Used) cache is a data structure that removes the least frequently used items when the cache is full.
• LFU cache stores key-value pairs with a frequency count to track usage.

• When a new item is added, its frequency count is set to 1.

• When an existing item is accessed, its frequency count is incremented.

• When the cache is full, the item with the lowest frequency count is removed.

• Example: If cache size is...read more
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Q2. Some react and database questions.
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Q1. To print all permutation of a string
Ans. 
Use recursion to generate all possible permutations of a given string.
• Use recursion to swap characters in the string to generate permutations

• Keep track of visited characters to avoid duplicates

• Base case: when the length of the string is 1, add it to the result array
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Q1. Coin change Problem of finding number of ways to achieve K value
Ans. 
The coin change problem involves finding the number of ways to make a certain value using a given set of coins.
• Use dynamic programming to solve the coin change problem efficiently.

• Create a 1D array to store the number of ways to make each value from 0 to the target value.

• Iterate through the coins and update the array based on the current coin's value.

• The final answer will be stored in the last element of the array.

• Exam...read more
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Q1. Suduko solver question is given to me
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Q1. Live SQL Coding with an Interviewer
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Q1. Business Case Solving
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Q2. Small Puzzle on Gameskraft business
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Q3. CV and Project related questions
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Q1. CV and Project related questions
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Q2. Business Understanding questions on past experiences
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Q1. CV and project related questions
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Q2. Business Understanding of past experience
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Q3. Generic puzzle or business case
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Q1. Reasons for change
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Q2. Past experience related questions
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