Curated Coding Interview Questions for Freshers
Practice curated coding interview questions for freshers with solutions, examples, compiler support, and placement preparation guidance.
Questions
- Find the Duplicate Number — Easy
- Leaders in an Array — Easy
- Longest Valid Parentheses — Easy
- Minimum Domino Rotations For Equal Row — Medium
- Remove Linked List Elements — Easy
- Reverse Words in a String — Easy
- Sort Elements by Frequency — Medium
- Guess the Word — Hard
- Median of Two Sorted Arrays — Easy
- Reverse Linked List — Easy
- Valid Palindrome II — Easy
- Expressive Words — Medium
- Remove Duplicates from Sorted Array — Easy
- Single Number III — Medium
- Valid Parentheses — Easy
- Counting Bits — Medium
- Delete Nodes And Return Forest — Hard
- Merge k Sorted Lists — Hard
- Two Sum — Easy
- Find Pivot Index — Easy
- Merge Sorted Array — Easy
- Palindrome Number — Easy
- String to Integer (atoi) — Hard
- Text Justification — Hard
- 3Sum - Find All Unique Triplets — Hard
- Maximum Subarray - Kadane's Algorithm — Hard
- Plus One — Easy
- Sliding Window Maximum — Hard
- Best Time to Buy and Sell Stock — Easy
- Bulls and Cows — Hard
- Find Missing Number in Array — Easy
- Gas Station — Medium
- Minimum Window Substring — Hard
- Divide Nodes Into the Maximum Number of Groups — Hard
- Letter Combinations of a Phone Number — Medium
- LRU Cache - Least Recently Used Cache — Hard
- Maximal Square — Medium
- Remove Duplicates from Sorted Array — Easy
- Binary Tree Zigzag Level Order Traversal — Medium
- Container With Most Water — Medium
- Count and Say — Easy
- Word Break - Dynamic Programming — Hard
- Decode String — Medium
- Longest Substring Without Repeating Characters — Medium
- Permutations — Medium
- Isomorphic Strings — Medium
- Reverse String — Easy
- First Unique Character in a String — Easy
- Insert Interval — Medium
- Valid Palindrome — Easy
- Number of Islands — Medium
- Remove Duplicates from Sorted List — Easy
- Koko Eating Bananas — Medium
- Merge Two Sorted Lists — Easy
- Bulb Switcher — Medium
- Palindrome Linked List — Easy
- Bubble Sort Implementation — Easy
- Rotate Array — Medium
- Delete and Earn — Medium
- Selection Sort Implementation — Easy
- Insertion Sort Implementation — Easy
- Reverse Integer — Medium
- Count Primes — Easy
- Largest Number — Medium
- Power of Two — Easy
- Candy — Hard
- Factorial Trailing Zeroes — Easy
- Product of Array Except Self — Medium
- Find All Duplicates in an Array — Medium
- Subarray Sum Equals K — Medium
- Climbing Stairs — Easy
- Longest Palindromic Substring — Medium
- Group Anagrams — Medium
- Longest Substring with At Most Two Distinct Characters — Medium
- Trapping Rain Water — Hard
- Regular Expression Matching — Hard