| Question No | Topic Name | Link |
|---|---|---|
| 1 | Swap two Numbers | Link |
| 2 | Reverse a Number | Link |
| 3 | Reverse a String | Link |
| 4 | Palindrome Number | Link |
| 5 | Palindrome String | Link |
| Question No | Topic Name | Link |
|---|---|---|
| 6 | Count the number of digits in a number | Link |
| 7 | Count the number of even and odd digits in a number | Link |
| 8 | Count the sum of digits in a number | Link |
| 9 | Find the largest of 3 Numbers | Link |
| 10 | Generate Fibonacci series | Link |
| Question No | Topic Name | Link |
|---|---|---|
| 11 | Check whether the given number is prime or not | - |
| 12 | Find the Smallest and largest element in an array | - |
| 13 | Factorial of a number | - |
| 14 | Find the sum of elements in an array | - |
| 15 | Print even & odd numbers from an array | - |
- How to check the equality of two arrays
- Find a Missing Number in an array
- How to find maximum and minimum values in an array
- How to find duplicate elements in an array
- Searching an element in an array with Linear Search
- Searching an element in an array with Binary Search
- Sort elements in an array with Bubble Sort
- Sort elements in an array using Built-in methods
- How to remove junk or special characters in a string
- How to remove white spaces in a string
- How to count occurrences of a character in a string
- How to count words in a string
- How to reverse each word in a string
- How to reverse an array
| Topic | Name | Link |
|---|---|---|
| Array | Contains Duplicate | Link |
| Valid Anagram | Link | |
| Two Sum | Link | |
| Group Anagrams | Link | |
| Top K Frequent Elements | Link | |
| Encode and Decode Strings | Link | |
| Product of Array Except Self | Link | |
| Valid Sudoku | Link | |
| Longest Consecutive Sequence | Link | |
| Valid Palindrome | Link | |
| Two Sum II Input Array Is Sorted | Link | |
| 3Sum | Link | |
| Container With Most Water | Link | |
| Trapping Rain Water | Link | |
| Best Time to Buy And Sell Stock | Link | |
| Longest Substring Without Repeating Characters | Link | |
| Longest Repeating Character Replacement | Link | |
| Permutation In String | Link | |
| Minimum Window Substring | Link | |
| Sliding Window Maximum | Link |
| Topic | Name | Link |
|---|---|---|
| Linked List | Reverse Linked List | Link |
| Merge Two Sorted Lists | Link | |
| Reorder List | Link | |
| Remove Nth Node From End of List | Link | |
| Copy List With Random Pointer | Link | |
| Add Two Numbers | Link | |
| Linked List Cycle | Link | |
| Find The Duplicate Number | Link | |
| LRU Cache | Link | |
| Merge K Sorted Lists | Link | |
| Reverse Nodes In K Group | Link |
| Topic | Name | Link |
|---|---|---|
| Stack | Valid Parentheses | Link |
| Min Stack | Link | |
| Evaluate Reverse Polish Notation | Link | |
| Generate Parentheses | Link | |
| Daily Temperatures | Link | |
| Car Fleet | Link | |
| Largest Rectangle In Histogram | Link |