smartnews Interview Questions — 5 DSA Problems
5 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.
Most frequently asked smartnews LeetCode questions for software engineering interviews.
- Largest Palindromic Number (MEDIUM) — Hash Table, String, Greedy, Counting
- Maximal Network Rank (MEDIUM) — Graph
- LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
- 3Sum (MEDIUM) — Array, Two Pointers, Sorting
- Minimum Deletions to Make Character Frequencies Unique (MEDIUM) — Hash Table, String, Greedy, Sorting
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5 questions tracked5 with solutions
Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough
Showing 5 of 5 questions
1Hash TableStringGreedyCounting
3Hash TableLinked ListDesignDoubly-Linked List
5MediumMinimum Deletions to Make Character Frequencies Unique✓ Our Solution Hash TableStringGreedySorting
