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class Circle{ public int x=0; public int y=0; public int radius=3; public const double pi = 3.14; public static string name = ""; double p; double s;} class Program{ static void Main() { Circle cr = new Circle(); // Console.WriteLine("pi=" + Circle.pi);// Console.Write(Circle.name);// // Console.WriteLine(" ({0},{1}) {2}", cr.x, cr.y, cr.radius); // Console.WriteLine(cr.p); - , .. p private Console.Write(" = "); int kof = int.Parse(Console.ReadLine()); cr.x -= kof; cr.y += kof; cr.radius *= kof; Console.WriteLine(" ({0},{1}) {2}", cr.x, cr.y, cr.radius); //cr.s = 2 * Circle.pi * cr.radius; - , .. s private }}

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class Circle{ public int x=0; public int y=0; public int radius=3; public const double pi = 3.14; public static string name = ""; public Circle T() // { return this; } public void Set(int x, int y, int r) { this.x = x; this.y = y; radius=r; }} class Program{ static void Main() { Circle cr = new Circle(); // Console.WriteLine("pi=" + Circle.pi);// Console.Write(Circle.name);// // Console.WriteLine(" ({0},{1}) {2}", cr.x, cr.y, cr.radius); cr.Set(1, 1, 10); Console.WriteLine(" ({0},{1}) {2}", cr.x, cr.y, cr.radius); Circle b=cr.T();// cr, b=c Console.WriteLine(" ({0},{1}) {2}", b.x, b.y, b.radius); }}

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class Circle { public int x; public int y; public int radius; public const double pi = 3.14; public static string name = ""; public Circle(int x, int y, int r)// { this.x = x; this.y = y; radius = r; } public void Print() { Console.Write(name); Console.WriteLine(" ({0},{1}) {2}", x, y, radius); Console.WriteLine(); } } class Program { static void Main() { Circle a = new Circle(0, 0, 1); // a.Print(); Circle b=new Circle(10, 10, 5);// b.Print(); } }

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class Circle { public int x; public int y; public int radius; public const double pi = 3.14; public static string name = ""; public Circle(int x, int y, int r)// 1 { this.x = x; this.y = y; radius = r; } public Circle(int r)// 2 { radius = r; } public void Print() { Console.Write(name); Console.WriteLine(" ({0},{1}) {2}", x, y, radius); Console.WriteLine(); } } class Program { static void Main() { Circle a = new Circle(0, 0, 1); // 1 a.Print(); Circle b=new Circle(5);// 2 b.Print(); } }

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public Circle(int x, int y, int r):this(r) // 1{ this.x = x; this.y = y;} public Circle(int r) // 2{ radius = r;}

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class Demo{ static int a; static int b; private Demo(){} // static Demo() // { a=10; b=2; } public static void Print () { Console.WriteLine("{0}+{1}={2}",a,b,a+b); Console.WriteLine("{0}*{1}={2}",a,b,a*b); Console.WriteLine("{0}-{1}={2}",a,b,a-b); } } class Program{ static void Main() { //Demo S=new Demo(); // Demo.Print(); }}

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static class Demo{ static int a=20; static int b=10; public static void Print () { Console.WriteLine("{0}+{1}={2}",a,b,a+b); Console.WriteLine("{0}*{1}={2}",a,b,a*b); Console.WriteLine("{0}-{1}={2}",a,b,a-b); } } class Program{ static void Main() { Demo.Print(); }}

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class Circle { // int x; int y; int radius; public static string name = ""; public Circle(int x, int y, int r):this(r)// 1 { this.x = x; this.y = y; } public Circle(int r)// 2 { radius = r; } public void Print() { Console.Write(name); Console.WriteLine(" ({0},{1}) {2}", x, y, radius); Console.WriteLine(); } public int X // x { get { return x; } set { x = value; } } public int Y // y { get { return y; } set { y = value; } } public int R // radius { get { return radius; } set { radius = value; } } public double P // { get { return 2* Math.PI *radius; } } public double S // { get { return Math.PI *radius*radius; } } } class Program { static void Main() { Circle a = new Circle(0, 0, 1); // a.Print(); // a.X=1; a.Y=1; a.R=10; //a.S=100; // - Console.WriteLine("=({0},{1}) ={2} ={3:f2} ={4:f2}", a.X, a.Y, a.R, a.P, a.S); } }

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Solution Explorer :

Circle.cs :

using System; namespace ConsoleApplication1{ public class Circle { public Circle() { // // TODO: Add constructor logic here // } }}
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class DemoArray { int[] MyArray;// string name; // public DemoArray(int size,int x, string name)// { MyArray = new int[size]; this.name = name; for (int i=0;i<size; ++i) MyArray[i]=x; } public void Print ()// { Console.Write(name+ ": "); foreach (int a in MyArray) Console.Write(a+" "); Console.WriteLine(); } public int LengthN // { get { return MyArray.Length; } } ~DemoArray()// { Console.WriteLine(" "+this.name); } } class Program { static void Main() { DemoArray a= new DemoArray(5,2, ""); a.Print(); DemoArray b = new DemoArray(6,1, ""); b.Print(); a = b; a.Print(); } }

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class DemoFib { public int this[int i] //, { get { if (i <=0) throw new Exception(" "); else if (i==1 || i==2) return 1; else {int a=1, b=1, c; for (int j=3; j<=i; ++j) { c=a+b; a=b; b=c; } return b; } } } } class Program { static void Main() { Console.Write("n="); int n=int.Parse(Console.ReadLine()); DemoFib a=new DemoFib(); try { Console.WriteLine("a[{0}]={1}",n,a[n]); } catch (Exception e) { Console.WriteLine(e.Message); } } }

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class DemoArray { int[] MyArray;// public DemoArray(int size)// { MyArray = new int[size]; } public int LengthArray //, { get { return MyArray.Length; } } public int this[int i] // { get { if (i <0 || i >= MyArray.Length) throw new Exception(" "); else return MyArray[i]; } set { if (i <0 || i >= MyArray.Length) throw new Exception(" "); else if (value >= 0 && value <= 100) MyArray[i] = value; else throw new Exception(" "); } } } class Program { static void Main() { DemoArray a = new DemoArray(10); for (int i=0; i<a.LengthArray; i++) { a[i] = i * i; // Console.Write(a[i]+" ");// } Console.WriteLine(); try { //a[10]=100; //a[0]=200; } catch (Exception e) { Console.WriteLine(e.Message); } } }

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class DemoArray { int[,] MyArray;// int n, m;// : public DemoArray(int sizeN, int sizeM)// { MyArray = new int[sizeN, sizeM]; this.n = sizeN; this.m = sizeM; } public int LengthN //, { get { return n; } } public int LengthM //, { get { return m; } } public int this[int i, int j] // { get { if (i < 0 || i >= n || j < 0 || j >= m) throw new Exception(" "); else return MyArray[i, j]; } set { if (i < 0 || i >= n || j < 0 || j >= m) throw new Exception(" "); else if (value >= 0 && value <= 100) MyArray[i, j] = value; else throw new Exception(" "); } } } class Program { static void Main() { DemoArray a = new DemoArray(3, 3); for (int i = 0; i < a.LengthN; i++,Console.WriteLine()) { for (int j = 0; j < a.LengthM; j++) { a[i, j] = i *j; // Console.Write("{0,5}", a[i, j]);// } } Console.WriteLine(); try { //Console.WriteLine(a[3,3]); //a[0,0]=200; } catch (Exception e) { Console.WriteLine(e.Message); } } }

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class DemoArray { int[] MyArray;// public DemoArray(int size)// 1 { MyArray = new int[size]; } public DemoArray(params int[] arr)// 2 { MyArray = new int[arr.Length]; for (int i = 0; i < MyArray.Length; i++) MyArray[i] = arr[i]; } public int LengthArray //, { get { return MyArray.Length; } } public int this[int i] // { get { if (i < 0 || i >= MyArray.Length) throw new Exception(" "); return MyArray[i]; } set { if (i < 0 || i >= MyArray.Length) throw new Exception(" "); else MyArray[i] = value; } } public static DemoArray operator -(DemoArray x) // { DemoArray temp = new DemoArray(x.LengthArray); for (int i = 0; i < x.LengthArray; ++i) temp[i] = -x[i]; return temp; } public static DemoArray operator ++(DemoArray x) // { DemoArray temp = new DemoArray(x.LengthArray); for (int i = 0; i < x.LengthArray; ++i) temp[i] = x[i]+1; return temp; } public static bool operator true(DemoArray a) // true { foreach (int i in a.MyArray) { if (i<0) { return false; } } return true; } public static bool operator false(DemoArray a)// false { foreach (int i in a.MyArray) { if (i>0) { return true; } } return false; } public void Print(string name) // - - { Console.WriteLine(name + ": "); for (int i = 0; i < MyArray.Length; i++) Console.Write(MyArray[i] + " "); Console.WriteLine(); } } class Program { static void Main() { try { DemoArray Mas = new DemoArray(1, -4, 3, -5, 0); // 2 Mas.Print(" "); Console.WriteLine("\n "); DemoArray newMas=-Mas; // Mas.Print("M Mas"); // , newMas.Print(" newMas"); // Console.WriteLine("\n "); DemoArray Mas1=++Mas; Mas.Print("M Mas"); Mas1.Print("M Mas1=++Mas"); Console.WriteLine("\n "); DemoArray Mas2=Mas++; Mas.Print("M Mas"); Mas2.Print("M Mas2=Mas++"); if (Mas) Console.WriteLine("\n \n"); else Console.WriteLine("\n \n"); } catch (Exception e) { Console.WriteLine(e.Message); } }

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class DemoArray { public static DemoArray operator +(DemoArray x, int a) // 1 { DemoArray temp = new DemoArray(x.LengthArray); for (int i = 0; i < x.LengthArray; ++i) temp[i]=x[i]+a; return temp; } public static DemoArray operator +(DemoArray x, DemoArray y) // 2 { if (x.LengthArray == y.LengthArray) { DemoArray temp = new DemoArray(x.LengthArray); for (int i = 0; i < x.LengthArray; ++i) temp[i] = x[i] + y[i]; return temp; } else throw new Exception(" "); } } class Program { static void Main() { try { DemoArray a = new DemoArray(1, -4, 3, -5, 0); a.Print(" a"); DemoArray b=a+10; b.Print("\n b"); DemoArray c = a+b; c.Print("\n c"); } catch (Exception e) { Console.WriteLine(e.Message); } } }

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12 ⇒


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