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C++
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Getting Started
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Variables & Data Types
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Input & Output
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Operators & Expressions
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Control Flow
0/53
Loops
0/58
Arrays
0/50
Strings
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Functions
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Pointers & References
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Structs
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Vectors & STL Basics
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Maps & Sets
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1
Intro
2
What is a Map?
3
Creating Maps
4
Inserting Elements
5
Quiz: Map Insertion
6
Accessing Elements
7
Checking Key Existence
8
Quiz: Key-value storage
9
Iterating Over Maps
10
Quiz: Map Iteration
11
Erasing Elements
12
Map vs Unordered Map
13
Quiz: Key-value storage
14
Quiz: Map Choice
15
What is a Set?
16
Creating Sets
17
Quiz: Unique elements
18
Inserting into Sets
19
Checking Membership
20
Quiz: Unique elements
21
Quiz: Set Membership
22
Iterating Over Sets
23
Erasing from Sets
24
Quiz: Unique elements
25
Set vs Unordered Set
26
Multiset
27
Quiz: Unique elements
28
Multimap
29
Lower and Upper Bound
30
Quiz: Key-value storage
31
Quiz: Set Operations
32
Frequency Counting
33
Deduplication
34
Quiz: Key-value storage
35
Two Sum Problem
36
Unique Characters
37
Group Anagrams
38
Quiz: Problem Solving
39
Custom Comparators
40
Problem - Boy or Girl
41
Boy or Girl - The Idea
42
Boy or Girl - Algorithm
43
Quiz: Key-value storage
44
Boy or Girl - Implementation
45
Lessons from Boy or Girl
46
Problem - Registration System
47
Registration - The Idea
48
Registration - Algorithm
49
Quiz: Key-value storage
50
Registration - Implementation
51
Lessons from Registration
52
Section Recap
Pairs & Tuples
0/53
STL Algorithms
0/50
Classes & Objects
0/54
Inheritance & Polymorphism
0/56
File I/O
0/49
Exception Handling
0/54
Dynamic Memory
0/50
13.1
Intro
4 minutes
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Tasks
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