Mathworks Coding & Algorithms Interview Questions
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Maximize minimum after K decrements
You are given an integer array A of length N and an integer K. You must perform exactly K operations. In each operation, choose any index i and do A[i...
Minimize shortest path by adding weight-1 edges
You are given a weighted directed graph with nodes labeled 1..n. The existing edges are described by three arrays of equal length m: - from[i]: start ...
How to maximize rewards with exactly k tasks
You are assigning n independent tasks to two interns. - Each task must be done by exactly one intern. - If intern 1 does task i, you earn reward1[i] p...
Maximize minimum value after k decrements
You are given an integer array vulnerabilities of length n, where vulnerabilities[i] is the initial security score of server i. You must perform exact...
Minimize reduction cost and validate equal-sum pairs
You are given two independent coding tasks. Task 1: Minimum total cost to reduce an array You are given an integer array arr of length n. You may repe...
Decide transform via one-to-one mapping
You are given two strings s and t of equal length over the lowercase English alphabet. In one step, you may pick any character x and replace all its o...
Compute intersections for each segment
You are given n segments on a number line. Segment i is [startsAt[i], endsAt[i]] (inclusive), with 1 ≤ n ≤ 1e5 and 1 ≤ startsAt[i] ≤ endsAt[i] ≤ 1e9. ...
Find shortest path using BFS
Given an m×n grid grid where grid[r][c] = 0 represents an empty cell and 1 represents a wall, a start cell (sr, sc), and a target cell (tr, tc), you m...
Implement BFS shortest paths with reconstruction
Given an unweighted graph with n vertices and m edges represented as an adjacency list, implement breadth-first search (BFS) from a source vertex s to...
Maximize disjoint k-sum pairs
You are given an integer array nums and an integer k. In one operation you may remove two indices i < j if nums[i] + nums[j] == k; each index can be u...
Determine string transform via end-append moves
Given two strings s and t of equal length over lowercase English letters, in one move you may delete any character from s and append it to the end of ...
Count interval intersections
Question For a list of n segments, where each segment i has start[i] and end[i], compute for every segment the count of other segments that intersect ...
Maximize operations by removing target-sum pairs
Given an integer array nums and an integer T, in one operation you may remove two elements whose sum equals T. Return the maximum number of operations...