Lab67

golang/labs/lab4/lab4.go

@@ -0,0 +1,35 @@
+package lab4
+
+import (
+	"fmt"
+	"math"
+)
+
+func RunLab4() {
+	a := 2.5
+	b := 4.6
+	fmt.Println(TaskA(1.1, 3.6, 0.5, a, b))
+	arr := []float64{1.2, 1.28, 1.36, 1.46, 2.35}
+	fmt.Println(TaskB(arr, a, b))
+}
+
+func TaskA(xn, xk, deltax, a, b float64) []float64 {
+	var yValues []float64
+	for x := xn; x <= xk; x += deltax {
+		yValues = append(yValues, CalculateY(x, a, b))
+	}
+	return yValues
+}
+
+func TaskB(values []float64, a, b float64) []float64 {
+	var yValues []float64
+	for _, x := range values {
+		yValues = append(yValues, CalculateY(x, a, b))
+	}
+	return yValues
+}
+
+func CalculateY(x float64, a float64, b float64) float64 {
+	y := math.Pow(a+b*x, 2.5) / (1 + math.Log10(a+b*x))
+	return y
+}

golang/labs/lab6/lab6.go

@@ -0,0 +1,41 @@
+package lab6
+
+import (
+	"fmt"
+)
+
+type Mouse struct {
+	Name   string
+	Age    int
+	Weight float64
+}
+
+func NewMouse(name string, age int, weight float64) Mouse {
+	return Mouse{Name: name, Age: age, Weight: weight}
+}
+
+func (r *Mouse) GetAge() int {
+	return r.Age
+}
+
+func (r *Mouse) SetAge(age int) {
+	if age > 0 {
+		r.Age = age
+	}
+}
+
+func (r Mouse) Info() string {
+	return fmt.Sprintf("Имя: %s, Возраст: %d, Вес: %.2f кг", r.Name, r.Age, r.Weight)
+}
+
+func RunLab6() {
+	mouse := NewMouse("Гена", 2, 1.5)
+
+	fmt.Println(mouse.Info())
+
+	mouse.SetAge(3)
+
+	fmt.Printf("Обновленный возраст: %d\n", mouse.GetAge())
+
+	fmt.Println(mouse.Info())
+}

golang/labs/lab7/clothes.go

@@ -0,0 +1,40 @@
+package labs
+
+import "fmt"
+
+type Clothes struct {
+	name     string
+	price    float64
+	brand    string
+	material string
+	season   string
+}
+
+func (c *Clothes) GetName() string {
+	return c.name
+}
+
+func (c *Clothes) GetPrice() float64 {
+	return c.price
+}
+
+func (c *Clothes) SetDiscount(discount float64) {
+	c.price -= c.price * discount / 100
+}
+
+func (c *Clothes) SetPrice(newPrice float64) {
+	c.price = newPrice
+}
+
+func (c *Clothes) GetBrand() string {
+	return c.brand
+}
+func (c *Clothes) GetSeason() string {
+	return c.season
+}
+func (c *Clothes) GetMaterial() string {
+	return c.material
+}
+func (c *Clothes) GetInfo() string {
+	return fmt.Sprintf("Название: %s, Цена: %.2f, Бренд: %s, Материал: %s,Сезон: %s", c.name, c.price, c.brand, c.material, c.season)
+}

golang/labs/lab7/cosmetics.go

@@ -0,0 +1,27 @@
+package labs
+
+import "fmt"
+
+type Cosmetics struct {
+	name  string
+	price float64
+	brand string
+}
+
+func (c *Cosmetics) GetName() string {
+	return c.name
+}
+func (c *Cosmetics) GetPrice() float64 {
+	return c.price
+}
+
+func (c *Cosmetics) SetDiscount(discount float64) {
+	c.price -= c.price * discount / 100
+}
+
+func (c *Cosmetics) SetPrice(newPrice float64) {
+	c.price = newPrice
+}
+func (c *Cosmetics) GetInfo() string {
+	return fmt.Sprintf("Название: %s, Бренд: %s, Цена: %.2f", c.name, c.brand, c.price)
+}

golang/labs/lab7/food.go

@@ -0,0 +1,28 @@
+package labs
+
+import "fmt"
+
+type Food struct {
+	price    float64
+	name     string
+	brand    string
+	calories int
+}
+
+func (f *Food) GetName() string {
+	return f.name
+}
+func (f *Food) GetPrice() float64 {
+	return f.price
+}
+
+func (f *Food) SetDiscount(discount float64) {
+	f.price -= f.price * discount / 100
+}
+
+func (f *Food) SetPrice(newPrice float64) {
+	f.price = newPrice
+}
+func (f *Food) GetInfo() string {
+	return fmt.Sprintf("Название: %s, Цена: %.2f, Калорийность: %d , Бренд: %s", f.name, f.price, f.calories, f.brand)
+}

golang/labs/lab7/lab7.go

@@ -0,0 +1,33 @@
+package labs
+
+import "fmt"
+
+func CalculateProductsSum(products []Product) float64 {
+	var sum float64 = 0
+	for _, product := range products {
+		sum += product.GetPrice()
+	}
+	return sum
+}
+
+func RunLab7() {
+	potato := &Food{50.15, "картошка", "вкусвилл", 17}
+	lipstick := &Cosmetics{"помада", 1700, "Chanel"}
+	sweatshirt := &Clothes{"толстовка", 3000.99, "Levi`s", "хлопок", "осень"}
+	products := []Product{potato, lipstick, sweatshirt}
+	fmt.Println("Товары")
+	fmt.Println("Общая стоимость:", CalculateProductsSum(products), "рублей")
+	for _, product := range products {
+		fmt.Println(product.GetInfo())
+	}
+
+	for _, product := range products {
+		product.SetDiscount(20)
+	}
+	fmt.Println("Общая стоимость товаров после применения скидки 20%:", CalculateProductsSum(products), "рублей")
+
+	fmt.Println("Информация про товар толстовка")
+	fmt.Println("материал:", sweatshirt.GetMaterial())
+	fmt.Println("сезон:", sweatshirt.GetSeason())
+	fmt.Println("бренд:", sweatshirt.GetBrand())
+}

golang/labs/lab7/product.go

@@ -0,0 +1,9 @@
+package labs
+
+type Product interface {
+	SetDiscount(discount float64)
+	SetPrice(newPrice float64)
+	GetPrice() float64
+	GetName() string
+	GetInfo() string
+}

golang/main.go

@@ -1,7 +1,15 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	lab4 "isuct.ru/informatics2022/labs/lab4"
+	lab6 "isuct.ru/informatics2022/labs/lab6"
+	lab7 "isuct.ru/informatics2022/labs/lab7"
+)
 
 func main() {
 	fmt.Println("Медведева Виктория Александровна")
+	lab4.RunLab4()
+	lab6.RunLab6()
+	lab7.RunLab7()
 }