C++ Tutorials

TOPICS and LINKS to the video tutorials on my youtube channel. Code for each topic can be found in the github repository.

Data Types

• Main Function #include iostream using namespace std; int main {} cout<<endl; return 0; #1
• Variables & Data Types int float double bool char string #2
• How to check Variable Types #3
• Implicit Type Conversions #4
• Multiple Variables Declaration in single line #5
• Math/Arithmetic Operations + - * / % #6
• Type Casting/Explicit Type Conversions #7
• Increment and Decrement ++ -- #8

Conditional

• If/Else Logic Operators if else if, and &&, or ||, not ! #9
• If/Else Comparison Operators if else if, < <= > >= == != #10
• Ternary Operators (X) ? A : B #11
• Getting user Input cin>> getline() #12
• Practice Problems #13

Arrays

• Arrays int arr[5] = {5, 10, 15, 20, 25} #14
• Strings & Cstrings "ABC" {'a', 'b', 'c'} #15
• Vectors & Dynamic Arrays vector<int> v = {1, 2, 3} #16
• Why does index start at 0? #16.5

Loops

• For Loops for (int i = 0; i < 5; i++ ){ ... } #17
• For Each Loops/Ranged Based For Loops for (int x : arr) {...} #18
• While Loops while (true) {...} #19
• Do While Loops do {...} while (true) #20
• Break & Continue break; continue; #21
• Switch Case Statements switch(a) { case 1: ... } #22
• Rock Paper Scissors ✊✋✌️ #23
• Multidimensional/2D Arrays int mat[2][2] = {{1, 0}, {0, 1}} #24
• Tic Tac Toe ⭕✖️⭕ #25

Pointers

• Pointers int* ptr = &address #26
• Const Pointers/Pointers to Const int* const ptr, const int* ptr #27
• References int& ref = object #28
• Null Pointers nullptr #29
• Array Pointers int* ptr = {1, 2, 3} #30
• Dynamic Memory Allocation new delete #31
• Dynamically Allocated Arrays int* arr = new int[10] #32
• Dynamic Arrays vs Dynamically Allocated Arrays #32.5
• Pointer to Pointers int** ptrB = &ptrA #33

Functions

• Functions #34
• Function Pass by Value, Reference, Const Reference #35
• Function Overloading/Polymorphic Functions #36
• When to use Const Reference? #36.5
• Generics and Templates template <typename T> #37
• Practice Problems Functions #38
• Recursion #39
• Recursion with Vectors #40
• Global and Local Variable Scope #41
• How does recursion work? #41.5
• Enumerations enum #42
• Exceptions and Error Handling try throw catch #43

Containers

• Iterators v.begin() v.end()#44
• Set Set<int> s = {1, 2, 3} #45
• Useful Math Functions min, max, abs, floor, ceil, round pow, sqrt #46
• Pair Pair<char, int> p = {'A', 1} #47
• Typedef typedef Type T #48
• Map Map<char, int> m = {{'A':1}, {'B':2}, {'C':3}} #49
• Tuple Tuple<char, char, int> t = {'A', 'B', '1'} #50
• Useful String Functions tolower, toupper, islower, isupper, isalpha, isalnum, isdigit, isspace #51
• Useful Vector Functions sort, is_sorted, reverse, replace, fill, max_element, min_element, find, count, shuffle #52

File I/O

• Datetime #53
• File IO (.txt files) fstream #54
• Practice Problems File IO (.txt files) fstream #55
• String Stream sstream#56
• File IO (.csv files) fstream#57
• Practice Problems File IO (.csv files) fstream#58

Additional Topics

• TBD