From 2394ad842a0c91faccdf3ffed07057f470893bb4 Mon Sep 17 00:00:00 2001
From: Dragonaft <31616918+Dragonaft@users.noreply.github.com>
Date: Tue, 26 Jun 2018 21:43:41 +0300
Subject: [PATCH] Hw1

---
 .../java/introduction/hw1/Main.java           | 143 ++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 src/main/java/school/lemon/changerequest/java/introduction/hw1/Main.java

diff --git a/src/main/java/school/lemon/changerequest/java/introduction/hw1/Main.java b/src/main/java/school/lemon/changerequest/java/introduction/hw1/Main.java
new file mode 100644
index 0000000..acbc28d
--- /dev/null
+++ b/src/main/java/school/lemon/changerequest/java/introduction/hw1/Main.java
@@ -0,0 +1,143 @@
+import java.util.Scanner;
+
+public class Main {
+  public static void main(String[] args) {
+    Scanner keyboard = new Scanner(System.in);
+    System.out.println("Выберите задание(1-10)");
+    int task = keyboard.nextInt();
+    switch (task) {
+      case 1:               // 1 задание
+        double a = keyboard.nextInt();
+        double p = 4 * a;
+        System.out.println("p=" + p);
+        break;
+      case 2:               // 2 задание
+        System.out.println("Введите количество сантиметров");
+        double san = keyboard.nextInt();
+        double met = san / 100;
+        System.out.println("Сантиметров в метрах:" + met);
+        break;
+      case 3:               // 3 задание
+        System.out.println("Введите числа a и c");
+        double a2 = keyboard.nextInt();
+        double c = keyboard.nextInt();
+        System.out.println("Введите число b");
+        double b = keyboard.nextInt();
+        if (b > a2 && b < c || b < a2 && b > c) {
+          System.out.println("Число b между чисел a и c");
+        } else {
+          System.out.println("Число b не между чисел a и c");
+        }
+        break;
+      case 4:                // 4 задание
+        double sum;
+        System.out.println("Введите число а");
+        double a3 = keyboard.nextInt();
+        System.out.println("Введите число b");
+        double b2 = keyboard.nextInt();
+        System.out.println("Введите число c");
+        double c2 = keyboard.nextInt();
+        if (a3 < b2 && a3 < c2) {
+          sum = b2 + c2;
+          System.out.println("Сумма наибольших чисел =" + sum);
+        } else if (b2 < a3 && b2 < c2) {
+          sum = a3 + c2;
+          System.out.println("Сумма наибольших чисел =" + sum);
+        } else if (c2 < a3 && c2 < b2) {
+          sum = a3 + b2;
+          System.out.println("Сумма наибольших чисел =" + sum);
+        }
+        break;
+      case 5:                             // 5 задание
+        System.out.println("Введите z");
+        double z = keyboard.nextInt();
+        System.out.println("Введите x");
+        double x = keyboard.nextInt();
+        System.out.println("Введите y");
+        double y = keyboard.nextInt();
+        double b3;
+        double a4;
+        b3 = 1 + (Math.pow(z, 2) / (3 + (Math.pow(z, 2) / 5)));
+        a4 = (2 * Math.sin(x - (Math.PI / 6)) * b3) / (0.5 + Math.pow(Math.sin(y), 2));
+        System.out.println("a=" + a4);
+        break;
+      case 6:                             // 6 задание
+        double z2;
+        System.out.println("Ведите x");
+        double x2 = keyboard.nextInt();
+        System.out.println("Введие y");
+        double y2 = keyboard.nextInt();
+        double s;
+        int fac1 = 1;
+        int fac2 = 1;
+        int fac3 = 1;
+        z2 = Math.sin(Math.pow(x2, 3)) + Math.pow(Math.cos(y2), 2);
+        for (int i = 1; i < 3; i++) {
+          fac1 = fac1 * i;
+        }
+        for (int i = 1; i < 4; i++) {
+          fac2 = fac2 * i;
+        }
+        for (int i = 1; i < 5; i++) {
+          fac3 = fac3 * i;
+        }
+        s = 1 + x2 + Math.pow(x2, 2) / fac1 + Math.pow(x2, 3) / fac2 + Math.pow(x2, 4) / fac3;
+        System.out.println("z=" + z2);
+        System.out.println("s=" + s);
+        break;
+      case 7:                                     // 7 задание
+        int index = keyboard.nextInt();
+        switch (index) {
+          case 1:
+            System.out.println("Понедельник");
+            break;
+          case 2:
+            System.out.println("Вторник");
+            break;
+          case 3:
+            System.out.println("Среда");
+            break;
+          case 4:
+            System.out.println("Четверг");
+            break;
+          case 5:
+            System.out.println("Пятница");
+            break;
+          case 6:
+            System.out.println("Суббота");
+            break;
+          case 7:
+            System.out.println("Воскресенье");
+            break;
+          default:
+            System.out.println("error");
+            break;
+        }
+      case 8:                                       // 8 задание
+        System.out.println("Введите n");
+        double n = keyboard.nextInt();
+        double i = 0;
+        double result;
+        for (result = 0; result != Math.pow(n * 2, 2); i++) {
+          result = Math.pow(n, 2) + Math.pow(n + i, 2) + result;
+        }
+        System.out.println("Result=" + result);
+        break;
+      case 9:                                           // 9 задание
+        System.out.println("Введие n");
+        int n9 = keyboard.nextInt();
+        if ( n9 % 3 == 0 || n9 ==3 || n9 == 9) {
+          System.out.println("True");
+        } else {
+          System.out.println("False");
+        }
+        break;
+      case 10:                                                // 10 задание
+        System.out.println("Введие строку из чисел");
+        String n3 = keyboard.next();
+        boolean result3 = n3.contains("2");
+        System.out.println(result3);
+        break;
+    }
+  }
+}
\ No newline at end of file