Softwire Interview Questions — 3 DSA Problems

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

Most frequently asked Softwire LeetCode questions for software engineering interviews.

Second Largest Digit in a String (EASY) — Hash Table, String
Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
Longest Substring Without Repeating Characters (MEDIUM) — Hash Table, String, Sliding Window

Softwire

3 questions tracked3 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 3 of 3 questions

EasySecond Largest Digit in a String✓ Our Solution

100

Hash TableString

MediumLongest Palindromic Substring✓ Our Solution

Two PointersStringDynamic Programming

MediumLongest Substring Without Repeating Characters✓ Our Solution

Hash TableStringSliding Window