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    "# CS206: Data Structures\n",
    "\n",
    "## Spring 2016\n",
    "\n",
    "### Professor Blank\n",
    "\n",
    "### Assignment #1\n",
    "\n",
    "Should be timestamped before start of class on Tuesday, January 26, 2016.\n",
    "\n",
    "* **Topic**: Notebooks, editing, code, and reflections.\n",
    "* **Description**: For this assignment, you will create your first notebook, create a title, by-line, execute code, and provide a reflection.\n",
    "\n",
    "Grading rubric:\n",
    "\n",
    "* 10 pts Title\n",
    "* 10 pts By-line and description (what is this?)\n",
    "* 40 pts Code\n",
    "* 40 pts Reflection\n",
    "\n",
    "**NOTE**: there is a spelling checker (the check-mark button next to \"CellToolbar\"). Turn it on.\n",
    "\n",
    "Assignment Process:\n",
    "\n",
    "* Copy the file /tmp/nbgrader_config.py to your home directory (one-time thing)\n",
    "* Go to the Assignments tab on the dashboard\n",
    "* Fetch the assignment\n",
    "* Open \"My First Notebook.ipynb\"\n",
    "* Edit it to include the four sections of the rubric\n",
    "* Submit it (at least once)\n",
    "\n",
    "Your notebook might look like:\n",
    "\n",
    "<img src=\"../Images/assignment01.png\" />\n",
    "\n",
    "but that is lame. This is the structure of notebooks that you will submit all semester long.\n",
    "\n",
    "What makes a good Reflection?\n",
    "\n",
    "* write about this project/aspect/topic of the course\n",
    "* note what you learned\n",
    "* what did you find challenging? easy? tricky? rewarding?\n",
    "* connect this material to your personal interests\n",
    "\n",
    "What makes for good code?\n",
    "\n",
    "* try out some things\n",
    "* use: variables, booleans, ints, functions, if/else, loop\n",
    "* be creative! have fun!\n",
    "\n",
    "#### NO CREDIT FOR LATE SUBMISSIONS"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Here are two lines in a notebook or terminal that will activate the grading extension:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Added variable size of type int with initial value 500\n",
      "\n"
     ]
    }
   ],
   "source": [
    "int size = 500;"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello\n"
     ]
    }
   ],
   "source": [
    "printf(\"Hello\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello!\n",
      "\n"
     ]
    }
   ],
   "source": [
    "System.out.println(\"Hello!\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Added variable year of type int with initial value 2016\n",
      "\n"
     ]
    }
   ],
   "source": [
    "int year = 2016;"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Expression value is: true\n",
      "|    assigned to temporary variable $5 of type boolean\n",
      "\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "true"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "(year % 4) == 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Added method is_leap_year(int)\n",
      "\n"
     ]
    }
   ],
   "source": [
    "boolean is_leap_year(int year) { \n",
    "    if (year % 400 == 0 ) {\n",
    "        return true;\n",
    "    } else if ((year % 100) == 0) {\n",
    "        return false;\n",
    "    } else if ((year % 4) == 0) {\n",
    "        return true;\n",
    "    } else {\n",
    "        return false;\n",
    "    }\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Expression value is: false\n",
      "|    assigned to temporary variable $7 of type boolean\n",
      "\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "false"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "is_leap_year(2100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1943 is true\n"
     ]
    }
   ],
   "source": [
    "printf(\"%s is %s\", 1943, true);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "|  Added method hello(String)\n",
      "\n"
     ]
    }
   ],
   "source": [
    "void hello(String name) {\n",
    "    printf(\"Hello, %s! How are you?\", name);\n",
    "    System.out.println(\"Hello, \" + name + \". How are you?\");\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello, Sally! How are you?Hello, Sally. How are you?\n",
      "\n"
     ]
    }
   ],
   "source": [
    "hello(\"Sally\");"
   ]
  }
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