deep learning

38 compile many files header file:declaration : .h, have struct and function name implementation file, .cpp, inside cpp must include header file, only have function main file: calling, .cpp inside cpp must include header file, only have main // file

#include <iostream> #include <vector> #include <string> void swap(int &a, int &b) { int temp = a; a = b; b = temp; std::cout << "a: " << a << "\tb: " << b << "\n"; } void swap(std::string &a

// open a new file #include <iostream> #include <fstream> int main() { std::ofstream file; file.open("hello.txt"); // open an new file file << "hey"; // write into file file.close(); return 0; } // file write replace all conte

#include <iostream> #include<array> void print_vector(std::array<int, 20> data, int size) { for(int i = 0; i < size; i++) { std::cout << data[i] << "\t"; } std::cout << "\n"; } int main() { std::

28 vectors dynamic size, like list std::vector items = {1, 2, 3} items.push_back(100) reallocate memory if not enough to store items.size() items[items.size() - 1] #include <iostream> #include<vector> int main() { std::vector<int> da

21 do while #include <iostream> #include <string> int main() { std::string password = "123"; std::string guess; do // guess at least one time { std::cout << "Guess the password: "; std::cin >> guess; } whi

24 create a manu #include <iostream> #include <string> int main() { int choice; do { std::cout << "0. Quit" << std::endl << "1. Play Game\n"; std::cin >> choice; switch(choice)

22 break and continue #include <iostream> #include <string> int main() { std::string sentence = "Hello my name is Jim"; for(int i = 0; i < sentence.size(); i++) { std::cout << sentence[i] << std::endl; if(sen

21 do while #include <iostream> #include <string> int main() { std::string password = "123"; std::string guess; do // guess at least one time { std::cout << "Guess the password: "; std::cin >> guess; } whi

#include<iostream.h> #include<string> int main() // main function { std::string greeting = "Hello"; // empty string: "" greeting += "!"; // string method cout << greeting[5] << endl; // ! cout << greeting.length() <&l

C++ C++ characteristics vector list, forward_list(singly-linked list), … map, unordered_map(hash table), … set, multi_set, … string thread memory management C++ compilation + linking OOP safe programming superset of C case sensitive 1 Hello world! prin