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Amazon
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Syllabus based question
I applied via Company Website and was interviewed before May 2023. There was 1 interview round.
Circular primes are prime numbers that remain prime when their digits are rotated.
Generate all prime numbers up to n
For each prime number, check if all rotations are also prime
Keep track of circular primes found
I applied via Referral and was interviewed in Jan 2022. There was 1 interview round.
I applied via Referral and was interviewed in Jan 2022. There were 2 interview rounds.
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Solution to performing operations on a large array of bits.
Use bitwise operators to perform operations on individual bits
Use a loop to iterate through the array and perform the operations
Ensure that the array is large enough to accommodate all the bits
Consider using a data structure like a bitset for efficient bit manipulation
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.
Iterate through the matrix and find the doors
Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door
Update the distance matrix with the minimum distances
Find kth smallest element in unordered array with O(1) space
Use the QuickSelect algorithm to partition the array and find the kth smallest element
Choose a pivot element and partition the array into two subarrays
Recursively partition the subarray that contains the kth smallest element
Repeat until the pivot element is the kth smallest element
Time complexity: O(n) average case, O(n^2) worst case
To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.
Get your list of friends
For each friend, get their list of friends
Exclude yourself and your friends from the final list of friends of friends
based on 2 interview experiences
Difficulty level
Duration
Customer Service Associate
4.3k
salaries
| ₹1.8 L/yr - ₹5 L/yr |
Transaction Risk Investigator
3.1k
salaries
| ₹2.4 L/yr - ₹6.5 L/yr |
Associate
3.1k
salaries
| ₹2 L/yr - ₹5.5 L/yr |
Senior Associate
2.6k
salaries
| ₹4 L/yr - ₹9 L/yr |
Software Developer
2.3k
salaries
| ₹23.2 L/yr - ₹43.3 L/yr |
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