cs-lab34/lab01.cpp

#include <math.h>
#include <iostream>
#include <conio.h>
#include <vector>
using namespace std;


int main()
{
	//ввод данных
	size_t number_count;
	cerr << "Enter number count: ";
	cin >> number_count;

	vector<double> numbers(number_count);
	cerr << "Enter numbers: ";

	for (size_t i = 0; i < number_count; i++)
	{
		cin >> numbers[i];
	}

	size_t bin_count;
	cerr << "Enter bin count: ";
	cin >> bin_count;

	//расчет данных
	double min = numbers[0];
	double max = numbers[0];
	for (double number : numbers)
	{
		if (number < min)
		{
			min = number;
		}

		if (number > max)
		{
			max = number;
		}
	}


	vector<size_t> bins(bin_count, 0);
	double bin_size = (max - min) / bin_count;

	for (size_t i = 0; i < number_count; i++)
	{
		bool found = false;
		for (size_t j = 0; j < (bin_count - 1) && !found; j++)
		{
			auto low = min + j * bin_size;
			auto hight = min + (j + 1) * bin_size;

			if ((low <= numbers[i]) && (numbers[i] < hight)) {
				bins[j]++;
				found = true;
			}
		}
		if (!found) {
			bins[bin_count - 1]++;
		}
	}

	const size_t SCREEN_WIDTH = 80;
	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

	size_t max_bin = bins[0];
	for (double bin : bins)
	{
		if (bin > max_bin)
		{
			max_bin = bin;
		}
	}

	for (size_t bin : bins)
	{
		size_t height = bin;
		// проверить масштабирование(пересчитать height)

		if (max_bin > MAX_ASTERISK)
		{
			height = MAX_ASTERISK * (static_cast<double> (bin) / max_bin);
		}


		if (bin < 100) {
			cout << " ";
		}

		if (bin < 10) {
			cout << " ";
		}

		cout << bin << "|";


		for (size_t i = 0; i < height; i++)
		{
			cout << "*";
		}
		cout << endl;

	}


	return 0;
}