static void Main(string[] args)
{
RationalNumber rationalNumber1 = new RationalNumber(1, 4);
RationalNumber rationalNumber2 = new RationalNumber(Console.ReadLine());
rationalNumber1.Print();
Console.WriteLine(rationalNumber2.ToString());
int intValue = rationalNumber1;
double doubleValue = (double)rationalNumber2;
Console.WriteLine("Целая часть первого числа(int): " + intValue);
Console.WriteLine("Целое часть второго числа(double): " + doubleValue);
Console.WriteLine((rationalNumber1 + rationalNumber2).ToString());
Console.WriteLine((rationalNumber1 - rationalNumber2).ToString());
Console.WriteLine((rationalNumber1 * rationalNumber2).ToString());
Console.WriteLine((rationalNumber1 / rationalNumber2).ToString());
Console.WriteLine(rationalNumber1 < rationalNumber2);
Console.WriteLine(rationalNumber1 > rationalNumber2);
Console.WriteLine(rationalNumber1 == rationalNumber2);
Console.ReadKey();
}
public static RationalNumber Parse(string s) //из строки в объект
{
var num = double.Parse(s);
// var num = Convert.ToDouble(s);
var counter = 0;
while (num > (int)num)
{
num *= 10;
counter++;
}
var first = new BigInteger(num);
var second = new BigInteger(Math.Pow(10, counter));
var m = first;
var n = second;
while (true)
{
var r = m % n;
if (r == 0)
{
break;
}
m = n;
n = r;
}
var gcd = n;
first /= gcd;
second /= gcd;
var a = new RationalNumber((int)first, (int)second);
return(a);
}
public static RationalNumber operator *(RationalNumber num1, RationalNumber num2)
{
RationalNumber temp = new RationalNumber();
if ((num1.negative && num2.negative) || (!num1.negative && !num2.negative))
{
temp.negative = false;
}
else
{
temp.negative = true;
}
temp.numerator = num1.numerator * num2.numerator;
temp.denominator = num1.denominator * num2.denominator;
int commonD = GCD(temp.numerator, temp.denominator);
temp.numerator /= commonD;
temp.denominator /= commonD;
return(temp);
}
public static void RationNumberArrFiller(ref RationalNumber[] rationNumbers)
{
string numberQuantityStr;
WriteLine("How many numbers do you whant to create?");
numberQuantityStr = ReadLine();
if (int.Parse(numberQuantityStr) <= 0)
{
Write("wrong number entered");
return;
}
rationNumbers = new RationalNumber[int.Parse(numberQuantityStr)];
for (int i = 0; i < rationNumbers.Length; i++)
{
string entringNumStr;
int numerator;
int denumerator;
for (; ;)
{
WriteLine("Enter numerator please");
entringNumStr = ReadLine();
if ((string.IsNullOrEmpty(entringNumStr)) ||
(int.Parse(entringNumStr) < 0))
{
WriteLine("Wrong value was entered, " +
"try again please!");
}
else
{
numerator = int.Parse(entringNumStr);
break;
}
}
for (; ;)
{
WriteLine("Enter denumerator please");
entringNumStr = ReadLine();
if ((string.IsNullOrEmpty(entringNumStr)) ||
(int.Parse(entringNumStr) < 0))
{
WriteLine("Wrong value was entered, " +
"try again please!");
}
else
{
denumerator = int.Parse(entringNumStr);
break;
}
}
rationNumbers[i] = new RationalNumber(numerator, denumerator);
}
}
public static RationalNumber StringToRationalNumber(string str)
{
RationalNumber num = new RationalNumber();
num.negative = false;
str.Replace(" ", "");
if (str.Contains("."))
{
str = str.Replace('.', ' ');
str = str.Replace('(', ' ');
str = str.Replace(')', ' ');
string[] arr = str.Split(' ');
if (arr.Length == 2)
{
int integerPart = 0;
int fractionalPart = 0;
try {
integerPart = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
integerPart = integerPart >= 0 ? integerPart : -integerPart;
num.negative = true;
}
fractionalPart = Convert.ToInt32(arr[1]);
if (fractionalPart < 0)
{
throw new Exception("Unkorrect input");
}
} catch {
throw new Exception("Unkorrect input");
}
int tempN = fractionalPart;
int tempM = (int)Math.Pow(10, arr[1].Length);
tempN = tempM * integerPart + tempN;
int commonD = GCD(tempN, tempM);
tempM /= commonD;
tempN /= commonD;
num.numerator = tempN;
num.denominator = tempM;
}
else if (arr.Length == 4 && arr[3] == "")
{
int integerPart = 0;
int fractionalPart = 0;
int periodicPart = 0;
try {
integerPart = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
integerPart = integerPart >= 0 ? integerPart : -integerPart;
num.negative = true;
}
if (arr[1].Length != 0)
{
fractionalPart = Convert.ToInt32(arr[1]);
}
else
{
fractionalPart = 0;
}
periodicPart = Convert.ToInt32(arr[2]);
} catch {
throw new Exception("Unkorrect input");
}
int tempN = (fractionalPart * (int)Math.Pow(10, arr[2].Length) + periodicPart) -
fractionalPart;
int tempM = NinesByCount(arr[2].Length) * (int)Math.Pow(10, arr[1].Length);
tempN = integerPart * tempM + tempN;
int commonD = GCD(tempN, tempM);
tempM /= commonD;
tempN /= commonD;
num.numerator = tempN;
num.denominator = tempM;
}
}
else if (str.Contains("/"))
{
string[] arr = str.Split('/');
int tempN = 0;
int tempM = 0;
try {
tempN = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
tempN = tempN >= 0 ? tempN : -tempN;
num.negative = true;
}
tempM = Convert.ToInt32(arr[1]);
if (tempM == 0)
{
throw new Exception("Unkorrect input");
}
} catch {
throw new Exception("Unkorrect input");
}
num.numerator = tempN;
num.denominator = tempM;
}
else
{
throw new Exception("Unkorrect input");
}
return(num);
}
public RationalNumber(RationalNumber obj)
{
numerator = obj.numerator;
denominator = obj.denominator;
negative = obj.negative;
}
static void Main(string[] args)
{
long a = 12;
long b = 20;
long c = -7;
long d = 15;
RationalNumber r1 = new RationalNumber(a, b);
RationalNumber r2 = new RationalNumber(c, d);
//математические операции
Console.WriteLine("ПЕРЕКРЫТИЕ МАТЕМАТИЧЕСКИХ ОПЕРАЦИЙ\n--------------------------------");
Console.WriteLine($"Сумма дробей:\n{r1.ToString()} + ({r2.ToString()}) = " +
$"{(r1 + r2).ToString()}");
Console.WriteLine($"Сумма дроби и числа:\n{r1.ToString()} + 3 = {(r1 + 3).ToString()}");
Console.WriteLine($"Сумма числа и дроби:\n2 + ({r2.ToString()}) = {(2 + r2).ToString()}");
Console.WriteLine($"Разность дробей:\n{r1.ToString()} - ({r2.ToString()}) = " +
$"{(r1 - r2).ToString()}");
Console.WriteLine($"Разность дроби и числа:\n{r1.ToString()} - 3 = {(r1 - 3).ToString()}");
Console.WriteLine($"Разность числа и дроби:\n2 - ({r2.ToString()}) = {(2 - r2).ToString()}");
Console.WriteLine($"Произведение дробей:\n{r1.ToString()} * ({r2.ToString()}) =" +
$" {(r1 * r2).ToString()}");
Console.WriteLine($"Произведение дроби и числа:\n{r1.ToString()} * 3 = {(r1 * 3).ToString()}");
Console.WriteLine($"Произведение числа и дроби:\n2 * {r2.ToString()} = {(2 * r2).ToString()}");
try
{
Console.WriteLine($"Деление дробей:\n{r1.ToString()} / ({r2.ToString()}) =" +
$" {(r1 / r2).ToString()}");
Console.WriteLine($"Деление дроби на число:\n{r1.ToString()} / 3 = {(r1 / 3).ToString()}");
Console.WriteLine($"Деление числа на дробь:\n2 / {r2.ToString()} = {(2 / r2).ToString()}");
}
catch (DivideByZeroException)
{
Console.WriteLine("ОШИБКА! Деление на ноль");
}
Console.WriteLine($"Противоположная дробь:\n{r1.ToString()} -> {(-r1).ToString()}");
Console.WriteLine($"Инкремент:\n++({r1.ToString()}) -> {(++r1).ToString()}");
Console.WriteLine($"Декремент:\n--({r1.ToString()}) -> {(--r1).ToString()}");
//операции сравнения
Console.WriteLine("\nПЕРЕКРЫТИЕ ОПЕРАЦИЙ СРАВНЕНИЯ\n--------------------------------");
Console.WriteLine($"Сравнение дробей(==,!=):\n{r1.ToString()} {EqualZn(r1, r1)} {r1.ToString()}");
Console.WriteLine($"{r1.ToString()} {EqualZn(r1, r2)} {r2.ToString()}");
Console.WriteLine($"Сравнение дробей(>,<,>=,<=):\n{r1.ToString()} {Znak(r1, r1)} {r1.ToString()}");
Console.WriteLine($"{r2.ToString()} {Znak(r2, r1)} {r1.ToString()}");
Console.WriteLine($"Сравнение дроби с числом(==,!=):\n{r1.ToString()} {EqualZn(r1, -3)} -3");
Console.WriteLine($"Сравнение дроби с числом(>,<,>=,<=):\n{r1.ToString()} {Znak(r1, 5)} 5");
// явные и неявные операторы преобразования
RationalNumber r3 = new RationalNumber(-4, 3);
Console.WriteLine("\nПРЕОБРАЗОВАНИЕ ТИПОВ\n--------------------------------");
Console.WriteLine($"В int {r3.ToString()} -> {(int)r3}");
Console.WriteLine($"В long {r3.ToString()} -> {(long)r3}");
Console.WriteLine($"В double {r3.ToString()} -> {(double)r3}");
Console.WriteLine($"В decimal {r3.ToString()} -> {(decimal)r3}");
r3 = 25;
Console.WriteLine($"Из int 25 -> {r3}");
r3 = 154L;
Console.WriteLine($"Из long 154 -> {r3}");
r3 = 2.5;
Console.WriteLine($"Из double 2.5 -> {r3}");
r3 = 0.2225m;
Console.WriteLine($"Из decimal 0.2225 -> {r3}");
//представление в виде строки в различных форматах
Console.WriteLine("\nПРЕДСТАВЛЕНИЕ ДРОБИ В ВИДЕ СТРОКИ\n-----------------------------------");
Console.WriteLine("1 вариант: " + r1.DifferentStrings('.'));
Console.WriteLine("2 вариант: " + r1.DifferentStrings(','));
Console.WriteLine("3 вариант: " + r1.DifferentStrings('/'));
// получение объекта класса по строковому представлению из разных форматов
Console.WriteLine("\nПОЛУЧЕНИЕ ДРОБИ ПО СТРОКОВОМУ ПРЕДСТАВЛЕНИЮ" +
"\n--------------------------------------------");
do
{
r3 = RationalNumber.TakeFromStrings();
r3.ReducedFraction();
Console.WriteLine($"\nВаше число, преобразованное в дробь: {r3.ToString()}");
Console.WriteLine("\nХотите повторить ввод?(нет - 0, да - любая клавиша)");
} while (Console.ReadLine() != "0");
}
static void Main(string[] args)
{
bool exit = false;
ArrayList numbers = new ArrayList();
while (true)
{
RationalNumber r1, r2, result;
Console.WriteLine("Write two rational numbers in one of these formats: " +
"\na/b" +
"\na,bcd...");
Console.Write("\n\nThe first one: ");
if (!RationalNumber.Extraction(Console.ReadLine(), out r1))
{
Console.WriteLine("Error. Wrong input");
break;
}
numbers.Add(r1);
Console.Write("The second: ");
if (!RationalNumber.Extraction(Console.ReadLine(), out r2))
{
Console.WriteLine("Error. Wrong input");
break;
}
numbers.Add(r2);
Console.Clear();
Console.WriteLine("What do you want to do?" +
"\n1.Add one to another" +
"\n2.Substract one from another" +
"\n3.Multiply these numbers" +
"\n4.Divide one by another" +
"\n5.Compare these numbers" +
"\n6.Convert to int and double" +
"\n7.Sort all entered numbers" +
"\n9.Exit the program");
int K;
if (!Int32.TryParse(Console.ReadLine(), out K))
{
Console.WriteLine("Error. Wrong input");
break;
}
Console.Clear();
switch (K)
{
case 1:
{
result = r1 + r2;
Console.WriteLine(result.ToStringFormat1());
Console.WriteLine(result.ToStringFormat2());
break;
}
case 2:
{
result = r1 - r2;
Console.WriteLine(result.ToStringFormat1());
Console.WriteLine(result.ToStringFormat2());
break;
}
case 3:
{
result = r1 * r2;
Console.WriteLine(result.ToStringFormat1());
Console.WriteLine(result.ToStringFormat2());
break;
}
case 4:
{
result = r1 / r2;
Console.WriteLine(result.ToStringFormat1());
Console.WriteLine(result.ToStringFormat2());
break;
}
case 5:
{
if (r1 > r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} > {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} > {r2.ToStringFormat2()}");
}
if (r1 >= r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} >= {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} >= {r2.ToStringFormat2()}");
}
if (r1 < r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} < {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} < {r2.ToStringFormat2()}");
}
if (r1 <= r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} <= {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} <= {r2.ToStringFormat2()}");
}
if (r1 == r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} = {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} = {r2.ToStringFormat2()}");
}
if (r1 != r2)
{
Console.WriteLine($"{r1.ToStringFormat1()} != {r2.ToStringFormat1()}" +
$"\n{r1.ToStringFormat2()} != {r2.ToStringFormat2()}");
}
break;
}
case 6:
{
int a = r1, b = r2;
Console.WriteLine($"r1 int : {a}" +
$"\nr1 double : {(double)r1}" +
$"\nr2 int : {b}" +
$"\nr2 double : {(double)r2}");
break;
}
case 7:
{
numbers.Sort();
foreach (RationalNumber r in numbers)
{
Console.WriteLine($"{r.ToStringFormat2()}");
}
break;
}
case 9:
{
exit = true;
break;
}
}
if (exit)
{
break;
}
Console.WriteLine("Press any key to return...");
Console.ReadKey();
Console.Clear();
}
}