try.cpp - master - Messus/t_ascii

try.cpp
107 строк2 KB
Messus
create try.cpp
05 мар 2025, 03:49
05 мар 2025, 03:4926303b7
#include <iostream>
#include <math.h>
using namespace std;
class general_error
{
	public:
		char *message;
		general_error(char* message) {this->message=message;}
};
class out_of_range
{
	public:
		size_t i;
		out_of_range(size_t i) {this->i=i;}
};
class overflow {};
class underflow {};
class array
{
		size_t size;
		size_t capacity;
		double *data;
	public:
		array(size_t capacity);
		~array();
		double operator[](size_t i);
		void push(double v);
		double pop();
};
array::array(size_t capacity)
{
	if (capacity==0)
throw general_error("array capacity is zero");
	this->capacity=capacity;
	size = 0;
	data = new double[capacity];
}
array::~array()
{
	delete[] data;
}
double array::operator[](size_t i)
{
	if (i < size) return data[i];
	else throw out_of_range(i);
}
void array::push(double v)
{
	if (size < capacity) data[size++]=v;
	else throw overflow();
}
double array::pop()
{
	if (size > 0) return data[--size];
	else throw underflow();
}

int main()
{
	char c;
	size_t i;
	double v;
	cout << "Type the massive capacity: ";
	cin >> v;
	array a(v);
	for (;;)
	{
		cout << "Type \"+\" for enter element," " \"-\" for insert element, \"i\" for view i-element, \"a\" for exit: ";
		cin >> c;
		try
		{
			switch (c)
			{
				case '+':
					cout << "Type the entering number: ";
					cin >> v;
					a.push(v);
					break;
				case '-':
					v=a.pop();
					cout << "Insert number " << v << endl;
					break;
				case 'i':
					cout << "Type the index: ";
					cin >> i;
					v=a[i];
					cout << "The looking for elemint is: " << v << endl;
					break;
				case 'a':
					return 0;
					break;
			}
		}
		catch(const out_of_range& e)
		{
			cout << "Try access to element undefined index " << e.i << endl;
		}
		catch(overflow)
		{
			cout << "No valid operation, overflow massive\n";
		}
		catch(underflow)
		{
			cout << "No valid operation, the massive is empty\n";
		}
	}
}