Zoho Interview Questions — 100 DSA Problems

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

Most frequently asked Zoho LeetCode questions for software engineering interviews.

• Climbing Stairs (EASY) — Math, Dynamic Programming, Memoization
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Spiral Matrix (MEDIUM) — Array, Matrix, Simulation
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Longest Substring Without Repeating Characters (MEDIUM) — Hash Table, String, Sliding Window
• Decode String (MEDIUM) — String, Stack, Recursion
• Valid Parentheses (EASY) — String, Stack
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Trapping Rain Water (HARD) — Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
• Move Zeroes (EASY) — Array, Two Pointers
• Merge Intervals (MEDIUM) — Array, Sorting
• Two Sum (EASY) — Array, Hash Table
• Sort Even and Odd Indices Independently (EASY) — Array, Sorting
• Compare Version Numbers (MEDIUM) — Two Pointers, String
• Rotate Image (MEDIUM) — Array, Math, Matrix
• Largest Number (MEDIUM) — Array, String, Greedy, Sorting
• Generate Parentheses (MEDIUM) — String, Dynamic Programming, Backtracking
• Rotate Array (MEDIUM) — Array, Math, Two Pointers
• Excel Sheet Column Number (EASY) — Math, String
• Zigzag Conversion (MEDIUM) — String
• Find Winner on a Tic Tac Toe Game (EASY) — Array, Hash Table, Matrix, Simulation
• Container With Most Water (MEDIUM) — Array, Two Pointers, Greedy
• Longest Common Prefix (EASY) — String, Trie
• Remove All Occurrences of a Substring (MEDIUM) — String, Stack, Simulation
• Wildcard Matching (HARD) — String, Dynamic Programming, Greedy, Recursion
• Regular Expression Matching (HARD) — String, Dynamic Programming, Recursion
• Word Pattern (EASY) — Hash Table, String
• Text Justification (HARD) — Array, String, Simulation
• Median of Two Sorted Arrays (HARD) — Array, Binary Search, Divide and Conquer
• Roman to Integer (EASY) — Hash Table, Math, String
• Valid Sudoku (MEDIUM) — Array, Hash Table, Matrix
• Merge Sorted Array (EASY) — Array, Two Pointers, Sorting
• Non-overlapping Intervals (MEDIUM) — Array, Dynamic Programming, Greedy, Sorting
• Replace Elements with Greatest Element on Right Side (EASY) — Array
• Edit Distance (MEDIUM) — String, Dynamic Programming
• Happy Number (EASY) — Hash Table, Math, Two Pointers
• Longest Valid Parentheses (HARD) — String, Dynamic Programming, Stack
• Basic Calculator II (MEDIUM) — Math, String, Stack
• Best Time to Buy and Sell Stock II (MEDIUM) — Array, Dynamic Programming, Greedy
• Largest Rectangle in Histogram (HARD) — Array, Stack, Monotonic Stack
• Search in Rotated Sorted Array (MEDIUM) — Array, Binary Search
• Combination Sum (MEDIUM) — Array, Backtracking
• Count and Say (MEDIUM) — String
• Product of Array Except Self (MEDIUM) — Array, Prefix Sum
• Find the Duplicate Number (MEDIUM) — Array, Two Pointers, Binary Search, Bit Manipulation
• Sort Colors (MEDIUM) — Array, Two Pointers, Sorting
• Restore IP Addresses (MEDIUM) — String, Backtracking
• Decode Ways (MEDIUM) — String, Dynamic Programming
• 3Sum (MEDIUM) — Array, Two Pointers, Sorting