From 3a178f6fe8d0ceb8ccbd09028fa535018b918cf7 Mon Sep 17 00:00:00 2001
From: Vladislav <demon17ya@gmail.com>
Date: Tue, 14 Jul 2020 16:37:56 +0300
Subject: [PATCH] HomeWork 1

---
 .DS_Store  | Bin 0 -> 6148 bytes
 main.swift |  54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 .DS_Store
 create mode 100644 main.swift

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..f2f9beced76ed5b589602d42dae39643dfaa0901
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/main.swift b/main.swift
new file mode 100644
index 0000000..7e084f3
--- /dev/null
+++ b/main.swift
@@ -0,0 +1,54 @@
+//
+//  main.swift
+//  test1
+//
+//  Created by Vladislav Elkin on 13.07.2020.
+//  Copyright © 2020 Vladislav Elkin. All rights reserved.
+//
+
+import Foundation
+
+//1. Решить квадратное уравнение.
+
+let a:Double = 1;
+let b:Double = -8;
+let c:Double = 15;
+let discriminant = (b * b) - (4 * a * c);
+
+if discriminant < 0 {
+    print("Корней нет!");
+}else if (discriminant == 0){
+    let x = (-b + sqrt(discriminant)) / (2 * a);
+    print("x = \(x)");
+}else{
+    let x1 = (-b + sqrt(discriminant)) / (2 * a);
+    let x2 = (-b - sqrt(discriminant)) / (2 * a);
+    
+    print("x1 = \(x1), x2 = \(x2)");
+}
+
+
+//2. Даны катеты прямоугольного треугольника. Найти площадь, периметр и гипотенузу треугольника.
+
+let catA: Double = 5;
+let catB: Double = 6;
+
+let gipC = sqrt((catA * catA) + (catB * catB));
+let S = 0.5 * catB * catA;
+let P = catB + catA + gipC;
+
+print("P = \(P), S = \(S), C = \(gipC)")
+
+//3. *Пользователь вводит сумму вклада в банк и годовой процент. Найти сумму вклада через 5 лет.
+
+var deposit: Double = 1000;
+var years: Double = 5;
+let procent: Double = 7;
+
+while years > 0 {
+    deposit += deposit * procent / 100;
+    years-=1;
+}
+
+print(deposit);
+