UKG Interview Questions — 11 DSA Problems

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

Most frequently asked UKG LeetCode questions for software engineering interviews.

• Maximum Area Rectangle With Point Constraints I (MEDIUM) — Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sorting, Enumeration
• Maximum Area Rectangle With Point Constraints II (HARD) — Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sorting
• Special Binary String (HARD) — String, Recursion
• Minimum Length of Anagram Concatenation (MEDIUM) — Hash Table, String, Counting
• Count the Number of Good Subsequences (MEDIUM) — Hash Table, Math, String, Combinatorics, Counting
• Longest Consecutive Sequence (MEDIUM) — Array, Hash Table, Union Find
• Two Sum (EASY) — Array, Hash Table
• Valid Word (EASY) — String
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Angle Between Hands of a Clock (MEDIUM) — Math
• Make a Positive Array (MEDIUM) — Array, Greedy, Prefix Sum