The HireReady 50

To find the number of subarrays with sum equal to k, what do you store in the hash map?

Which scenario is BEST suited for Breadth-First Search (BFS)?

What special property does inorder traversal have for a Binary Search Tree?

Which technique correctly detects cycles in a DIRECTED graph?

For finding LCA of two nodes in a binary tree, what is the key insight?

Which characteristic suggests a problem can be solved with Dynamic Programming?

What is the main advantage of tabulation over memoization?

Which algorithm detects a cycle in a linked list using O(1) space?

What is the time complexity to search for a word of length L in a Trie?

Topological sort is possible if and only if the graph is:

Why does Dijkstra's algorithm fail with negative edge weights?

Which problem type is BEST suited for backtracking?

What is the key difference between `let` and `var` in JavaScript?

In what order do these execute? console.log("A"); setTimeout(() => console.log("B"), 0); Promise.resolve().then(() => console.log("C")); console.log("D");

What will this code output? for (var i = 0; i < 3; i++) { setTimeout(() => console.log(i), 100); }

Which CSS properties center a child both horizontally and vertically in a flex container?

Which selector has the HIGHEST specificity?

TypeScript ___ are erased at compile time and provide ___ type checking.

A Promise can be in one of three states: ___, ___, or ___.

Horizontal scaling adds more ___ while vertical scaling adds more ___ to a single machine.

Which caching strategy ensures the cache is always consistent with the database?

What is the primary challenge when implementing database sharding?

When should you use a NoSQL database over SQL?

Which load balancing algorithm ensures requests from the same client go to the same server?

What is the PRIMARY benefit of using a CDN (Content Delivery Network)?

In CAP theorem, why do many NoSQL databases choose AP (Availability + Partition tolerance) over CP?

Tell me about a time you disagreed with a team member about a technical approach. Which response best demonstrates professional conflict resolution?

Describe a project that failed or didn't meet expectations. What did you learn?

Describe a situation where you had to deal with a difficult stakeholder or customer. Which response shows strong empathy and problem-solving?

Tell me about a time you had to deliver a project under a very tight deadline. Which approach demonstrates effective crisis management?

How have you helped a junior developer grow in their role? Which mentorship approach is most effective?

Give an example of when you went above and beyond to help a teammate. Which scenario best demonstrates collaborative excellence?

How do you handle multiple urgent priorities with competing deadlines? Which approach demonstrates strong prioritization skills?

What makes a "I gave constructive feedback" story credible?