Meta Data Structures & Algorithms Interview Questions

Review this list of 78 Meta Data Structures & Algorithms interview questions and answers verified by hiring managers and candidates.

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Find the equilibrium index in an array where sum of elements to the left is equal to sum of elements to the right.
a year ago1 answer
Calculate the trapped rainwater between bars in a given array.
+102 years ago14 answers
Squares of sorted array
2 years ago1 answer
Implement the power function without using pow method or or exponentiation operator.
a year ago
Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.
2 years ago1 answer
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Implement Trie
+1a year ago3 answers
Implement the memcpy() function in C.
2 years ago4 answers
Find the first common ancestor of two nodes in a binary tree.
7 months ago1 answer
Given meetings with different conflicts and rooms, find a schedule that works.
7 months ago
Implement serialize(root) + deserialize(data) so the same tree comes back
2 months ago
Given nums + window size k, return the max for each sliding window in O(n) time complexity.
2 months ago
Return all unique substrings of a given string.
4 months ago
Given an array of integers, print all subarrays that sum to zero.
5 years ago2 answers
Traverse a matrix or grid to find the shortest path between point A and point B.
7 months ago
Find the common ancestors in a tree. Has video answer
6 months ago
Determine a ship's capacity to ship packages in D days.
3 years ago
Given a collection of rooms where Alibada is in one and moves one room a day to an adjacent room, write a program to determine if you can find Alibada with the given list of rooms.
4 years ago2 answers
Find the lowest common ancestor (LCA) of two nodes in a binary tree.
+2a year ago9 answers
Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.
a month ago
Design the ad management logic for surfacing ads based on user preferences or profiles.
7 months ago

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Meta Data Structures & Algorithms Interview Questions

Find the equilibrium index in an array where sum of elements to the left is equal to sum of elements to the right.

Calculate the trapped rainwater between bars in a given array.

Squares of sorted array

Implement the power function without using pow method or or exponentiation operator.

Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.

Implement Trie

Implement the memcpy() function in C.

Find the first common ancestor of two nodes in a binary tree.

Given meetings with different conflicts and rooms, find a schedule that works.

Implement serialize(root) + deserialize(data) so the same tree comes back

Given nums + window size k, return the max for each sliding window in O(n) time complexity.

Return all unique substrings of a given string.

Given an array of integers, print all subarrays that sum to zero.

Traverse a matrix or grid to find the shortest path between point A and point B.

Find the common ancestors in a tree. Has video answer

Determine a ship's capacity to ship packages in D days.

Given a collection of rooms where Alibada is in one and moves one room a day to an adjacent room, write a program to determine if you can find Alibada with the given list of rooms.

Find the lowest common ancestor (LCA) of two nodes in a binary tree.

Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.

Design the ad management logic for surfacing ads based on user preferences or profiles.

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