persistent systems Interview Questions — 10 DSA Problems

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

Most frequently asked persistent systems LeetCode questions for software engineering interviews.

• Minimum Bit Flips to Convert Number (EASY) — Bit Manipulation
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Palindrome Number (EASY) — Math
• Valid Parentheses (EASY) — String, Stack
• Valid Anagram (EASY) — Hash Table, String, Sorting
• Maximum Subarray (MEDIUM) — Array, Divide and Conquer, Dynamic Programming
• Two Sum (EASY) — Array, Hash Table
• Longest Substring Without Repeating Characters (MEDIUM) — Hash Table, String, Sliding Window
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Merge Sorted Array (EASY) — Array, Two Pointers, Sorting