Wells Fargo Interview Questions — 15 DSA Problems

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

Most frequently asked Wells Fargo LeetCode questions for software engineering interviews.

• Shortest and Lexicographically Smallest Beautiful String (MEDIUM) — String, Sliding Window
• Verbal Arithmetic Puzzle (HARD) — Array, Math, String, Backtracking
• Find the Safest Path in a Grid (MEDIUM) — Array, Binary Search, Breadth-First Search, Union Find, Heap (Priority Queue), Matrix
• Minimizing Array After Replacing Pairs With Their Product (MEDIUM) — Array, Dynamic Programming, Greedy
• Maximum Number of Weeks for Which You Can Work (MEDIUM) — Array, Greedy
• Count and Say (MEDIUM) — String
• Best Time to Buy and Sell Stock II (MEDIUM) — Array, Dynamic Programming, Greedy
• Water and Jug Problem (MEDIUM) — Math, Depth-First Search, Breadth-First Search
• Product of Array Except Self (MEDIUM) — Array, Prefix Sum
• Rotate String (EASY) — String, String Matching
• Merge Strings Alternately (EASY) — Two Pointers, String
• Kth Largest Element in a Stream (EASY) — Tree, Design, Binary Search Tree, Heap (Priority Queue), Binary Tree, Data Stream
• Spiral Matrix (MEDIUM) — Array, Matrix, Simulation
• 3Sum (MEDIUM) — Array, Two Pointers, Sorting
• Longest Common Prefix (EASY) — String, Trie