Merge pull request #1416 from kodenook/develop

#3 - php, python, ruby, javascript, typescript

Roadmap/03 - ESTRUCTURAS DE DATOS/javascript/kodenook.js

@@ -0,0 +1,156 @@
+'uses strict'
+
+/*
+    Arrays
+*/
+
+let fruits = ['apple', 'orange', 'banana']
+
+// insert
+
+fruits[3] = 'pineapple'
+fruits.push('lemon')
+fruits.unshift('mango')
+
+console.log(fruits)
+
+// edit
+
+fruits[1] = 'grapes'
+
+console.log(fruits)
+
+// delete
+
+fruits.pop()
+fruits.shift()
+delete fruits[3]
+
+console.log(fruits)
+
+/*
+    Sets
+*/
+
+letters = new Set(['a', 'b', 'c'])
+
+// insert
+
+letters.add('f')
+
+console.log(letters)
+
+// delete
+
+letters.delete('b')
+
+console.log(letters)
+/*
+    Maps
+*/
+
+person = new Map([
+    ['name', 'kodenook'],
+    ['country', 'chile']
+])
+
+// insert
+
+person.set('continent', '')
+
+console.log(person)
+
+// insert
+
+person.set('continent', 'america')
+
+console.log(person)
+
+// delete
+
+person.delete('continent')
+
+console.log(person)
+
+/*
+    Exercise
+*/
+
+const readline = require('readline');
+
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+
+let option = 0
+let data = new Map([])
+
+function ask() {
+    console.clear()
+
+    console.log('1. search')
+    console.log('2. add')
+    console.log('3. edit')
+    console.log('4. delete')
+    console.log('5. exit')
+    console.log('')
+
+    rl.question('choose an option: ', (input) => {
+        option = parseInt(input.trim());
+
+        switch (option) {
+            case 1:
+                rl.question('name: ', (input) => {
+                    let name = parseInt(input.trim());
+
+                    console.log(data.get(name))
+                    setTimeout(() => {
+                        ask();
+                    }, 2000);
+                })
+                break;
+            case 2:
+                rl.question('name: ', (input) => {
+                    let name = parseInt(input.trim());
+
+                    rl.question('number: ', (input) => {
+                        let number = parseInt(input.trim());
+
+                        data.set(name, number)
+                        ask()
+                    })
+                })
+                break;
+            case 3:
+                rl.question('name: ', (input) => {
+                    let name = parseInt(input.trim());
+
+                    rl.question('number: ', (input) => {
+                        let number = parseInt(input.trim());
+
+                        data.set(name, number)
+                        ask()
+                    })
+                })
+                break;
+            case 4:
+                rl.question('name: ', (input) => {
+                    let name = parseInt(input.trim());
+
+                    data.delete(name)
+
+                    ask()
+                })
+                break;
+            case 5:
+                rl.close()
+                break;
+            default:
+                break;
+        }
+    });
+
+}
+
+ask()

Roadmap/03 - ESTRUCTURAS DE DATOS/php/kodenook.php

@@ -0,0 +1,178 @@
+<?php
+
+declare(strict_types = 1);
+
+/*
+    Array
+*/
+
+$data = ['fname', 'surname', 'chile', 'america'];
+
+# Insert
+array_unshift($data, 'man'); // insert elements to the begin
+array_push($data, 'july'); // insert elements to the end
+$data[5] = 'php';
+
+echo 'insert', PHP_EOL;
+echo var_dump($data);
+
+# Update
+$data[5] = 'php?';
+
+echo 'update', PHP_EOL;
+echo var_dump($data);
+
+# Delete
+array_shift($data); // delete elements to the begin
+array_pop($data); // delete elements to the end
+unset($data[5]);
+
+echo 'delete', PHP_EOL;
+echo var_dump($data);
+
+# Order
+
+$data = array_reverse($data); // reverse
+echo 'reverse', PHP_EOL;
+echo var_dump($data);
+
+asort($data); // ascending by value
+echo 'ascending by value', PHP_EOL;
+echo var_dump($data);
+
+arsort($data); // descending by value
+echo 'descending by value', PHP_EOL;
+echo var_dump($data);
+
+sort($data); // ascending by index
+echo 'ascending by index', PHP_EOL;
+echo var_dump($data);
+
+rsort($data); // descending by index
+echo 'descending by index', PHP_EOL;
+echo var_dump($data);
+
+natsort($data); // by natural order
+echo 'by natural order', PHP_EOL;
+echo var_dump($data);
+
+natcasesort($data); // by natural order case insensitive
+echo 'by natural order case insensitive', PHP_EOL;
+echo var_dump($data);
+
+/*
+    Array  associative
+*/
+
+$data2 = ['fname' => 'fname', 'surname' => 'surname', 'country' => 'chile', 'continent' => 'america'];
+
+# Insert
+$data2['kode'] = 'php';
+
+echo 'insert', PHP_EOL;
+echo var_dump($data2);
+
+# Update
+$data2['kode'] = 'php?';
+
+echo 'update', PHP_EOL;
+echo var_dump($data2);
+
+# Delete
+unset($data2['kode']);
+
+echo 'delete', PHP_EOL;
+echo var_dump($data2);
+
+# Order
+
+$data2 = array_reverse($data2); // reverse
+echo 'reverse', PHP_EOL;
+echo var_dump($data2);
+
+asort($data2); // ascending by value
+echo 'ascending by value', PHP_EOL;
+echo var_dump($data2);
+
+arsort($data2); // descending by value
+echo 'descending by value', PHP_EOL;
+echo var_dump($data2);
+
+ksort($data2); // ascending by index
+echo 'ascending by index', PHP_EOL;
+echo var_dump($data2);
+
+krsort($data2); // descending by index
+echo 'descending by index', PHP_EOL;
+echo var_dump($data2);
+
+natsort($data2); // by natural order
+echo 'by natural order', PHP_EOL;
+echo var_dump($data2);
+
+natcasesort($data2); // by natural order case insensitive
+echo 'by natural order case insensitive', PHP_EOL;
+echo var_dump($data2);
+
+/*
+    Exercise
+*/
+
+$option = 0;
+$data = [];
+
+function save($array, $number): bool {
+    $isNumber = ctype_alpha($number) ? true : false;
+
+    if (strlen($number) <= 11 and $isNumber) {
+        $array[$name] = $number;
+
+        return true;
+    }
+
+    return false;
+}
+
+while ($option != 5) {
+
+    echo "\033c";
+
+    echo '1. search'. PHP_EOL;
+    echo '2. add'. PHP_EOL;
+    echo '3. edit'. PHP_EOL;
+    echo '4. delete'. PHP_EOL;
+    echo '5. exit'. PHP_EOL;
+
+    $option = readline('choose an option: ');
+
+    switch ($option) {
+        case 1:
+            $name = readline('name: ');
+
+            echo $name, PHP_EOL;
+            echo $data[$name];
+
+            sleep(5);
+            break;
+        case 2:
+            $name = readline('name: ');
+            $number = readline('number: ');
+
+            save($data, $number);
+            break;
+        case 3:
+            $name = readline('name: ');
+            $number = readline('number: ');
+
+            save($data, $number);
+            break;
+        case 4:
+            $name = readline('name: ');
+
+            unset($data[$name]);
+            break;
+        default:
+            # code...
+            break;
+    }
+}