Confluent Interview Questions — 12 DSA Problems

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

Most frequently asked Confluent LeetCode questions for software engineering interviews.

• LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
• Time Based Key-Value Store (MEDIUM) — Hash Table, String, Binary Search, Design
• Valid Sudoku (MEDIUM) — Array, Hash Table, Matrix
• Minimum Time to Eat All Grains (HARD) — Array, Two Pointers, Binary Search, Sorting
• Sudoku Solver (HARD) — Array, Hash Table, Backtracking, Matrix
• Regular Expression Matching (HARD) — String, Dynamic Programming, Recursion
• Debounce (MEDIUM) —
• Design Authentication Manager (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
• Wildcard Matching (HARD) — String, Dynamic Programming, Greedy, Recursion
• Combination Sum (MEDIUM) — Array, Backtracking
• Count Subarrays With Median K (HARD) — Array, Hash Table, Prefix Sum
• Number of Atoms (HARD) — Hash Table, String, Stack, Sorting