{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Basics and data types\n",
    "\n",
    "Here is the basic structure for a C++ application.\n",
    "If you're developing locally, you'll start with just a main function, but this step is unnecesary in a notebook environment."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#include <iostream>\n",
    "#include <string>\n",
    "\n",
    "int main(){\n",
    "    double x = static_cast<int>(5.5);\n",
    "    std::string y = \"Hello world\";\n",
    "\n",
    "    std::cout << x << std::endl;\n",
    "    std::cout << y << std::endl;\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "main();"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Here's how to print a variable"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "int v = 5000;\n",
    "std::cout << v << std::endl;"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "You can use variables defined in earlier cells:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "std::cout << x << std::endl;"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Working with strings\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#include <stdio.h>\n",
    "\n",
    "char name[30];\n",
    "scanf(\"%29s\", name);\n",
    "printf(\"Hello %s\", name);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "5\n",
      "Caleb Curry\n",
      "Subscriber is 10 characters long\n",
      "Caleb Curry\n",
      "Subscriber\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      " Tacos\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Tacos"
     ]
    }
   ],
   "source": [
    "#include <string>\n",
    "#include <iostream>\n",
    "\n",
    "std::string name = \"Caleb\";\n",
    "std::cout << name.size() << std::endl;\n",
    "\n",
    "name += \" Curry\";\n",
    "\n",
    "std::cout << name << std::endl;\n",
    "\n",
    "char you[] = \"Subscriber\";\n",
    "std::cout << you << \" is \" << strlen(you) << \" characters long\" << std::endl;\n",
    "\n",
    "//you += \" forever\"; //NOPE\n",
    "\n",
    "std::string copy1 = name;\n",
    "\n",
    "std::cout << copy1 << std::endl;\n",
    "\n",
    "char copy2[11];\n",
    "strcpy(copy2, you);\n",
    "\n",
    "std::cout << copy2 << std::endl;\n",
    "\n",
    "std::cin >> name;\n",
    "std::cout << name;\n"
   ]
  }
 ],
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   "display_name": "C++17",
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