README
home

1 motivation
2 resources
3 roadmap
4 resource itineraries

1 CN Intro to Cpp

1. Flowcharts

10. Multidimensional Arrays

2. C++, W2H

3. main, Variables and Operators

0 index
2.1 Type Aliases
2.2 Automatic Type Deductions

1. auto

0 index

2. decltype

4. Conditionals and while loops

1. Patterns 1

2. Patterns 2

5. For loop and bitwise ops

6. Functions

7. Arrays

0 index

8. Searching and Sorting

0 index

2 CN Data Structures and OOP

1. Memory and Pointers

0 index
1. Pointers

7. Address Typecasting
8. References and Pass by Reference

2. Dynamic Memory Allocation

2. Time and Space Analysis

0 index
1. Time

1. Order Complexity Analysis

0 index

2. Linear Search Time Complexity
3. Insertion Sort
4. Selection Sort
5. Time complexity for recursive algorithms

0 index

6. Fibonacci is bad

2. Space
exerciseques
zAssignments

3. Binary Search Trees

Quizzes&Exercises

Exercises

zAssignments

Assignments

3. Recursion

1. Recursion Basics

2. Recursion Practice

assignments

3. Applications of Recursion

0 index
1. Recursion and Strings

2. Merge Sort
3. Quick Sort
4. Strings
zAssignments

0 index
1. Subsequences of Strings

2. Printing subsequence

0 index

after assignments

Test1

4. OOP Basics

0 index
1. Intro and syntax

1. Getters and Setters

0 index

2. Core member functions

5. this keyword
exercise ques

2. Special Functions

0 index
1. Constructor idea and syntax

0 index
1. The Copy constructor

2. Feature Delegating constructors

2. Destructor
3. Special functions details

0 index

3. Member constraints

0 index
1. const

2. static

4. Operator overloading

0 index
1. Binary operator
2. Unary post

0 index

3. Unary pre
exercises
zAssignment Polynomial class

0 index

5. Separate Compilation
6. Approach for writing a class

5. Data Structures

1. Linear Data Structures

1. Vector aka Dynamic Array
2. Linked List

1. Linked List Basics

0 index
1. What are data structures and why are they important
2. What is a linked list
3. Basic Operations on LL

2. Popular LL problems

Assignments

3. Stack

0 index
1. Introduction to Stacks
2. Stack using arrays

0 index

3. Stack using dynamic arrays

0 index

4. Templates

0 index

5. Stacks with templates

0 index

6. Stack using LL

0 index

7. Inbuilt stack STL

0 index

4. Queue

0 index
1. Queue Introduction

0 index

2. Queue using Array Code

0 index

3. Queue using Dynamic Array Code

0 index

3. zNamespaces
4. Queue using LL

0 index

5. Inbuilt queue STL

0 index

zTest 2

Test2

2. Trees

1. Generic Trees

0 index
1. Introduction to trees
2. Coding a tree

1. TreeNode class

0 index

2. Destructor
3. IO for trees

1. Take input and print recursive

0 index

2. Take input levelwise
3. Output level wise

3. Tree params

1. Number of nodes
2. Height of a tree Exercise
3. Depth of a Node

0 index

4. Number of leaf nodes

0 index

4. Tree Traversals

0 index

2 .Binary trees

0 index
1. Intro to Binary trees
2. Coding a Binary Tree

2. Input

0 index

3. Printing a tree

0 index

3. Params

4. Traversals

0 index

5. Construction from traversal

1. Pre and In

0 index

2. Post and In
3. Level and In

zAssignments

3. Binary Search Trees

0 index
1. Intro to BST
2. Coding BST BST Node class

0 index

3. Search Operation in BST
4. Common BST questions

1. Check if BST

1. Check BST 1

0 index

2. Check BST 2
3. Check BST 3

0 index

5. Variations of BST

0 index
1. AVL trees

0 index

3. Auxilary Data Structures

0 index
1. Priority Queue and Heap

2. Hashmaps

1. map and unordered map

0 index

2. set and unordered set
3. Iterators C++ Feature

3. Tries

3. Types of Tries

0 index

4. Huffman Encoding

4. Graphs

1. Graphs Basics

6. Basic path operations

7. Problem get connected components

2. Graphs 2

0 index
1. Intro to MST
2. Cycle Detection

0 index

2. MST algorithms

1. Kruskal's Algo Complexity

5. Prim's Algorithm
6. Dijkstra's Algorithm

5. C++ STL

6. Algorithm Design

0 index
1. Fibonacci 1

0 index

4. NP Completeness

7. C++ Continued

0 index
1. Macros and Global Variables

2. Inline and Default Arguments
3. const and constexpr
4. Exception Handling

0 index

8. OOP Continued

0 index
1. Relations between classes

Codes

DFS.cpp

Home
notebook

3 CN Competitive programming

1. CP intro and tools

1. Intro to Competitive Programming

1. What is CP
2. Why CP
3. Various Types of Errors
4. How to approach a problem in a competitive programming contest

0 index

2. Time and Space Complexity

0 index
Problems

3. IO Techniques

3. General tricks

4. Language Tools

0 index
1. STL Data Structures

0. Conveniences

0 index
1. Physical Data Structures

1. Vector

0 index

2. List

2. ADTs

0 index

8. Prioirty Queue

2. Functions

0 index

3. Math functions
4. Utility functions

3. Hussain Set

0 index

10. TreesX

0 index
1. Tries

2. Segment Tree

0 index

zAssignments

0 index

3. Fenwick Tree

11. Number Theory

1. Modulo Arithmetic

0 index
1. Modulo operation

0 index

2. Modulo properties
3. Modulo properties continued
4. Exercise number of Binary Trees

0 index

2. Prime generator and GCD

1. Primes

1. Find prime numbers between 1 and N
2. Sieve of Eratosthenes

0 index

3. Complexity of Sieve of Eratosthenes

2. Euclid's Algo

1. GCD Euclid's Algorithm
2. Complexity of Euclid's GCD algorithm
3. Diophantine Equations

0 index

4. Extended Euclidean Algorithm

0 index

3. Multiplicative Modulo Inverse
4. Applications Of NT 1

1. Sachin and Varun

0 index

2. Advanced GCD

3. Totient Function

4. Solving equations using NT

1. Optimized Power Function

0 index

2. Modular exponentiation

0 index

3. Matrix Exponentiation

4. Fermat's Little Theorem

0 index

5. Wilson's Theorem
6. Income on the Nth day

12. Game Theory

13. Computational Geometry

14. FFT
15. HLD

2. Unconventional use of Searching And Sorting

0 index
1. Aggressive Cows
2. Inversion Count

0 index

3. chef

0 index

4. Variation

0 index

5. Murder

0 index

6. Momos Market

type

7. Distribute Candies

distribute candies

8. Taj Mahal Entry

0 index

3. RecursionX

1. BackTracking

0 index
1. N Queens Problem Exercise

0 index

2. Rat And Maze problem

0 index

3. Sudoku Puzzle

0 index

4. Crossword Problem

0 index

2. BackTracking Assignment BackTracking, Binary Search And Merge Sort Problems

4. Bit Manipulation

0 index
1. Shift Operators

0 index

2. Remaining Bitwise Operators

0 index

3. ith bit

0 index

5. Adhoc Problems

0 index
1. Equalize CodeForces

0 index

2. Rectangular Area

0 index

3. Light up the bulbs

0 index

4. Circular List of students

0 index

5. Interesting Sequences

0 index

6. Winning Strategy

0 index

6. Dynamic ProgrammingX

0 index
1. Classic problems

0 index
1. DP Basics Fibonacci Number

0 index

2. AlphaCode

0 index

3. Longest Increasing subsequence

0 index

4. Largest Bitonic Subsequence

0 index

5. Coin change and stair case

0 index

6. Minimum Cost

0 index

7. Magic Grid

0 index

Assignments 1

Assignments 2

2. Practice Problems

Assignment 1

Assignment 2

3. DP & Bitmasking

0 index

7. Greedy Method

1. Introduction to Greedy technique

0 index

2. Minimum Absolute difference in an array
Assignment 1

Assignment 2

8. GraphsX

9. String Algorithms

1. Pattern Matching Basics
2. KMP algorithm

0 index

3. Z algorithm for pattern matching

Home

notebook

5 projects
6 setup

1. Mirror Triangles #

Created Saturday 19 October 2019

Solve the three given questions and then code the solution, just be wary of the spaces that need to be inserted before printing the things on the i’th row.