HashedIn Interview Questions — 23 DSA Problems

21 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked HashedIn LeetCode questions for software engineering interviews.

• Find Candidates for Data Scientist Position (EASY) — Database
• Maximize Items (HARD) — Database
• Maximum Points Inside the Square (MEDIUM) — Array, Hash Table, String, Binary Search, Sorting
• Count the Number of Powerful Integers (HARD) — Math, String, Dynamic Programming
• Minimize Length of Array Using Operations (MEDIUM) — Array, Math, Greedy, Number Theory
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Trapping Rain Water (HARD) — Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
• Maximum Subarray (MEDIUM) — Array, Divide and Conquer, Dynamic Programming
• 3Sum (MEDIUM) — Array, Two Pointers, Sorting
• Minimum Time to Repair Cars (MEDIUM) — Array, Binary Search
• Container With Most Water (MEDIUM) — Array, Two Pointers, Greedy
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Isomorphic Strings (EASY) — Hash Table, String
• Edit Distance (MEDIUM) — String, Dynamic Programming
• Maximum Product Subarray (MEDIUM) — Array, Dynamic Programming
• Chalkboard XOR Game (HARD) — Array, Math, Bit Manipulation, Brainteaser, Game Theory
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Beautiful Arrangement (MEDIUM) — Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
• Jump Game (MEDIUM) — Array, Dynamic Programming, Greedy
• Jump Game II (MEDIUM) — Array, Dynamic Programming, Greedy
• Next Permutation (MEDIUM) — Array, Two Pointers
• Minimum Cost to Make Array Equal (HARD) — Array, Binary Search, Greedy, Sorting, Prefix Sum
• Koko Eating Bananas (MEDIUM) — Array, Binary Search