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| Item Details | Price | ||
|---|---|---|---|
Instructor: Optus Ed-tech
Language: English , Hindi
Validity Period: Lifetime
Complete interview-ready course
| First C++ Program | |||
| Hello World | |||
| Sum of Two Integers | |||
| Basics of C++ | |||
| Input Output Formatting | |||
| Operators | |||
| Even or Odd | |||
| Compare Two Numbers | |||
| Largest of Three Numbers | |||
| Operator Precedence | |||
| Bitwise Operators | |||
| Logical Short Circuit | |||
| Data Types | |||
| Integer Overflow | |||
| Size of Data Types | |||
| Type Casting | |||
| Float vs Double | |||
| Boolean Logic | |||
| Character Arithmetic | |||
| Variables and Scope | |||
| Local vs Global Variables | |||
| Variable Scope Rules | |||
| Variable Shadowing | |||
| Const Correctness | |||
| Static Variable | |||
| Scope Resolution Operator | |||
| Decision Making – If Else | |||
| Leap Year | |||
| Positive Negative or Zero | |||
| Voting Eligibility | |||
| Grade Calculator | |||
| Triangle Validity | |||
| ATM Withdrawal Logic | |||
| Loops | |||
| Print Numbers 1 to N | |||
| Sum of First N Numbers | |||
| Multiplication Table | |||
| Count Digits | |||
| Reverse a Number | |||
| For vs While Loop | |||
| Infinite Loops | |||
| Printing Patterns – Moderate | |||
| Number Triangle | |||
| Reverse Number Triangle | |||
| Diamond Pattern | |||
| Hollow Patterns | |||
| Butterfly Pattern | |||
| Printing Patterns – Advanced | |||
| Pascal's Triangle | |||
| Hourglass Pattern | |||
| Concentric Square Pattern | |||
| Advanced Pattern Collection | |||
| Pointers | |||
| Pointer Basics | |||
| Swap Using Pointers | |||
| Pointer Arithmetic | |||
| NULL vs nullptr | |||
| Dangling Pointer | |||
| Revision Test | |||
| Even or Odd (Revision) | |||
| Largest of Three Numbers (Revision) | |||
| Sum of Digits | |||
| Reverse a Number (Revision) | |||
| Prime Number Check | |||
| Factorial (Revision) | |||
| Count Digits (Revision) | |||
| Simple Calculator (Revision) | |||
| Phase-1 Full Practice Set | |||
| Revision – C++ Core | |||
| Output Prediction 1 | |||
| Output Prediction 2 | |||
| Debug Snippet 1 | |||
| Loop Output Trap | |||
| Operator Output | |||
| Pointer Output | |||
| Reference Output | |||
| Array Output | |||
| Recursion Trace | |||
| Mixed Output Test | |||
| Vectors | |||
| Running Sum | |||
| Build Array from Permutation | |||
| Contains Duplicate | |||
| Reverse Vector | |||
| Insert and Erase | |||
| Smaller Numbers Than Current | |||
| Sort Vector | |||
| Remove Duplicates (Sorted) | |||
| Find Max and Min | |||
| Arrays | |||
| Maximum Subarray | |||
| Rotate Array | |||
| Merge Sorted Array | |||
| Missing Number | |||
| Second Largest | |||
| Move Zeros | |||
| Subarray Sum | |||
| Rearrange Array | |||
| Count Inversions | |||
| Prefix Sum Basics | |||
| Kadane Variant | |||
| Output / Dry-Run Problems | |||
| Nested Loop Dry Run | |||
| Array Dry Run | |||
| Condition Dry Run | |||
| Pointer Dry Run | |||
| Recursion Dry Run | |||
| Mixed Dry Run 1 | |||
| Mixed Dry Run 2 | |||
| Loop Trap | |||
| Binary Search | |||
| Binary Search | |||
| First Occurrence | |||
| Last Occurrence | |||
| Count Occurrences | |||
| Binary Search – Advanced | |||
| Search in Rotated Sorted Array | |||
| Search Range | |||
| Peak Element | |||
| Square Root | |||
| Binary Search on Answer | |||
| Allocate Minimum Pages | |||
| Painter’s Partition | |||
| Aggressive Cows | |||
| Sorting Algorithms | |||
| Bubble Sort | |||
| Selection Sort | |||
| Insertion Sort | |||
| Merge Sort | |||
| Quick Sort | |||
| Counting Sort | |||
| Stable vs Unstable Sort | |||
| Sort 0s 1s 2s | |||
| Relative Sorting | |||
| Sort by Frequency | |||
| Strings | |||
| Valid Palindrome | |||
| Anagram Check | |||
| Reverse String | |||
| Longest Word | |||
| Count Vowels | |||
| Remove Duplicates | |||
| Substring Count | |||
| String Compression | |||
| Rotation Check | |||
| Longest Substring Without Repeating Characters | |||
| First Unique Character | |||
| String to Integer (ATOI) | |||
| Pattern Matching | |||
| Case Conversion | |||
| Hashing | |||
| Two Sum | |||
| Frequency Count | |||
| Subarray with Zero Sum | |||
| Subarray Sum Equals K | |||
| Majority Element | |||
| Intersection of Arrays | |||
| Union of Arrays | |||
| Count Pairs with Given Sum | |||
| Longest Consecutive Sequence | |||
| Group Anagrams | |||
| Hash Collisions | |||
| Map vs Unordered Map | |||
| Bit Manipulation | |||
| Power of Two | |||
| Count Set Bits | |||
| XOR Trick | |||
| Find Unique Element | |||
| Single Number | |||
| Set Reset Bit | |||
| Toggle Bit | |||
| Swap Bits | |||
| Binary Representation | |||
| Missing Number XOR | |||
| Bit Masking | |||
| Generate Subsets | |||
| Subset Count | |||
| CF Bitmask Problem | |||
| Decode Subsets | |||
| Skill Selection | |||
| Masking States | |||
| All Subsequences | |||
| Interview Bitmask | |||
| Two Pointer & Sliding Window | |||
| Two Sum II | |||
| Reverse Array | |||
| Pair Sum | |||
| Container With Most Water | |||
| Minimum Window Size | |||
| Longest Substring Sliding Window | |||
| Longest Subarray Sum | |||
| Sliding Window Maximum | |||
| Triplet Sum | |||
| Trapping Rain Water | |||
| Character Replacement | |||
| Minimum Window Substring | |||
| Stack | |||
| Valid Parentheses | |||
| Next Greater Element | |||
| Stack Using Array | |||
| Stack Using Linked List | |||
| Min Stack | |||
| Infix to Postfix | |||
| Evaluate Postfix | |||
| Reverse Stack | |||
| Largest Rectangle in Histogram | |||
| Stock Span | |||
| Remove Adjacent Duplicates | |||
| Balanced Brackets | |||
| Queue | |||
| Queue Implementation | |||
| Circular Queue | |||
| Deque Usage | |||
| Sliding Window Max | |||
| Reverse Queue | |||
| First Negative Number | |||
| Stack Using Queue | |||
| Queue Using Stack | |||
| Heap | |||
| Kth Largest Element | |||
| Kth Smallest Element | |||
| Heap Sort | |||
| Priority Queue | |||
| Connect Ropes | |||
| Top K Frequent Elements | |||
| Nearly Sorted Array | |||
| Median from Stream | |||
| Max Heap | |||
| Min Heap | |||
| Linked List | |||
| Reverse Linked List | |||
| Detect Cycle | |||
| Remove Cycle | |||
| Merge Two Sorted Lists | |||
| Middle of Linked List | |||
| Delete Node | |||
| Remove Nth Node | |||
| Intersection Point | |||
| Palindrome Linked List | |||
| Add Two Numbers | |||
| Sort Linked List | |||
| Rotate Linked List | |||
| Clone Linked List | |||
| Flatten Linked List | |||
| Tree | |||
| Inorder Traversal | |||
| Preorder Traversal | |||
| Postorder Traversal | |||
| Level Order Traversal | |||
| Tree Height | |||
| Tree Diameter | |||
| Balanced Tree | |||
| Lowest Common Ancestor | |||
| Graph | |||
| Graph Representation | |||
| Breadth First Search | |||
| Depth First Search | |||
| Connected Components | |||
| Cycle Detection (Undirected) | |||
| Cycle Detection (Directed) | |||
| Number of Islands | |||
| Topological Sort | |||
| Bipartite Graph | |||
| Flood Fill | |||
| Rotten Oranges | |||
| Shortest Path (Unweighted) | |||
| CONTEST | |||
| CONTEST-1 | |||
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