Module-1 Basic-Maths
| Problem | Link |
|---|---|
| Print Statements | Link |
| User Input | Link |
| Basic Arithmetic | Link |
| Digit Seperation | Link |
| Reverse Number | Link |
| Count Digits | Link |
| Largest of Two | Link |
| Largest of Three | Link |
| Even Odd | Link |
| Prime Logic-1 | Link |
| Prime Logic-2 | Link |
| GCD | Link |
| LCM | Link |
| Prime Factors | Link |
| Sum of N Natural Numbers | Link |
| Factorial | Link |
| nCr | Link |
| Binary To Decimal | Link |
Module-2 Patterns
| Problem | Link |
|---|---|
| Pattern-1 | Link |
| Pattern-2 | Link |
| Pattern-3 | Link |
| Pattern-4 | Link |
| Pattern-5 | Link |
| Pattern-6 | Link |
Module-3 Arrays
| Problem | Link |
|---|---|
| Print Array | Link |
| Linear Search | Link |
| Largest In Array | Link |
| Smallest In Array | Link |
| Second Largest | Link |
| Second Smallest | Link |
| Binary Search | Link |
| Print Pairs : (Logic of Pairs) | Link |
| Max Sum Pair | Link |
| Reverse Array | Link |
| Print Sub-Arrays | Link |
| Max Sum Sub-Array (Brute-Force) | Link |
| Max Sum Sub-Array (Kadane's Algorithm) | Link |
| Max Sum Sub-Array (Prefix Sum Approach) | Link |
| Buy-Sell Stock-1 | Link |
| Buy-Sell Stock-2 | Link |
| Trap-Rain-Water | Link |
Module-4 Sorting Techniques
| Problem | Link |
|---|---|
| Bubble Sort | Link |
| Selection Sort | Link |
| Insertion Sort | Link |
| Count Sort | Link |
| BuiltIn Sort | Link |
Module-5 Matrix 2-D Arrays
| Problem | Link |
|---|---|
| Print Matrix | Link |
| Search In Matrix | Link |
| Largest In Matrix | Link |
| Smallest In Matrix | Link |
| Sum Of Diagonal | Link |
| Transpose Of Matrix | Link |
| Print Spiral | Link |
| Search in Sorted Matrix (Brute-Force) | Link |
| Search in Sorted Matrix (Binary-Search) | Link |
| Search in Sorted Matrix (StairCase-Search-Variation-1) | Link |
| Search in Sorted Matrix (StairCase-Search-Variation-2) | Link |
Module-6 Strings
| Problem | Link |
|---|---|
| String Basics | Link |
| String Length | Link |
| String Concatination | Link |
| String charAt() Method | Link |
| String Palindrome | Link |
| Shortest Path | Link |
| String Equals | Link |
| String SubString | Link |
| Lexiographically Largest String | Link |
| StringBuilder Basics | Link |
| ToUpperCase | Link |
| String Compression | Link |
| VowelsToLowerCase | Link |
| String Anagrams | Link |
Module-7 Bit Manipulation
| Problem | Link |
|---|---|
| Bit-Manipulation Basics | Link |
| CheckEvenOdd | Link |
| Get=ith-bit | Link |
| Set-ith-bit | Link |
| Clear-ith-bit | Link |
| Update-ith-bit | Link |
| ClearLast-i-bits | Link |
| ClearRangeOfBits | Link |
| Check-If-Number-Is-PowerOf-2 | Link |
| Count Set Bits | Link |
| Fast Exponentiation | Link |
| Swap Numbers | Link |
Module-8 Recursion
| Problem | Link |
|---|---|
| Print N to 1 | Link |
| Print 1 to N | Link |
| Factorial | Link |
| Sum Of Natural Numbers | Link |
| Fibonacci | Link |
| Check If Array is Sorted | Link |
| First Occurrence | Link |
| Last Occurrence | Link |
| Find Power | Link |
| GCD | Link |
| Tiling Problem | Link |
| Remove Duplicates From String | Link |
| Friends Pairing Problem | Link |
| Binary Strings Problem | Link |
| Find All Occurrences | Link |
| Digit Seperation | Link |
| Number To String | Link |
| Tower Of Hanoi | Link |
| Binary Search Recursive | Link |
Module-9 Divide&Conquer
| Problem | Link |
|---|---|
| Merge-Sort | Link |
| Quick-Sort | Link |
| Search In a Rotated Sorted Array | Link |
Module-10 Backtracking
| Problem | Link |
|---|---|
| Change Array | Link |
| Find Subsets | Link |
| Find Permutations | Link |
| Grid Ways | Link |
Module-11 ArrayList
| Problem | Link |
|---|---|
| Operations | Link |
| Print Reverse | Link |
| Reverse ArrayList | Link |
| Find Maximum in ArrayList | Link |
| Containter with Most Water - Brute Force | Link |
| Container with Most Water - Optimized | Link |
| Pair-Sum-1 - Brute Force | Link |
| Pair-Sum-1 - Optimized | Link |
| Pair-Sum-2 | Link |
Module-12 LinkedList
| Problem | Link |
|---|---|
| Basics of LinkedList | Link |
| Dynamic Creation LinkedList | Link |
| Insert LinkedList | Link |
| Find Size LinkedList | Link |
| Search in LinkedList | Link |
| Recursive Search LinkedList | Link |
| Remove Node LinkedList | Link |
| Reverse LinkedList | Link |
| Find Middle Node | Link |
| Find Middle Node - Optimized | Link |
| Palindrome LinkedList | Link |
| Detect Cycle LinkedList | Link |
| Remove Cycle LinkedList | Link |
| Built-in LinkedList | Link |
| ZigZag LinkedList | Link |
Module-13 Stack
| Problem | Link |
|---|---|
| Stack Implementation using ArrayList | Link |
| Stack Implementation using LinkedList | Link |
| Built-in Stack | Link |
| Push at the Bottom of Stack | Link |
| Reverse a String using Stack | Link |
| Reverse a Stack | Link |
| Next Greater Element | Link |
| Stock Span Problem | Link |
| Valid Parentheses | Link |
Module-14 Queue
| Problem | Link |
|---|---|
| Implement Using Array - Queue | Link |
| Implement Circular Queue Using Array - Queue | Link |
| Implement Using LinkedList - Queue | Link |
| Implement Using Two Stacks - Queue | Link |
| Built-in Queue - Queue | Link |
| First Non-Repeating Character - Queue | Link |
| InterLeave Two Halves of Queue - Queue | Link |
| Queue Reversal - Queue | Link |
| Deque Built-in - Queue | Link |
| Implement Queue Using Deque - Queue | Link |
Module-15 Greedy
| Problem | Link |
|---|---|
| Activity Selection | Link |
| Fractional Knapsack | Link |
| Maximum Absolute Difference Pairs | Link |
| Maximum Length Chain Of Pairs | Link |
| Indian Coins | Link |
| Job Sequencing | Link |
| Chocola Problem | Link |