cs-lab03/lab01/lab01.cpp

#include <vector>
#include <iostream>
using namespace std;

int main() {
	const size_t SCREEN_WIDTH = 80;
	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
	int i,j;
	string a,b,c;
	size_t number_count, bin_count;
	cerr << "Enter number count: ";
	cin >> number_count;
	cerr << "Enter colichestvo corzin: ";
	cin >> bin_count;
	vector <size_t> bins(bin_count);
	vector <double> numbers(number_count);
	for (i = 0; i < number_count; i++) {
		cin >> numbers[i];
	}
	double min = numbers[0];
	double max = numbers[0];
	for (double x : numbers) {
		if (x < min) {
			min = x;
		}
		else if (x > max) {
			max = x;
		}
	}
	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++) {
			double lo = min + j * bin_size;
			double hi = min + (j + 1) * bin_size;
			if ((lo <= numbers[i]) && (numbers[i] < hi)) {
				bins[j]++;
				found = true;
			}
		}
		if (!found) {
			bins[bin_count - 1]++;
		}
	}
	int maxlen = 0;
	for (int j = 0; j < bin_count; j++)
	{
		if (maxlen < bins[j]) maxlen = bins[j];
	}
	for (int j = 0; j < bin_count; j++)
	{
		if (bins[j] < 100) cout << " ";
		if (bins[j] < 10) cout << " ";
		cout << bins[j] << "|";
		size_t height = bins[j];
		if (maxlen > MAX_ASTERISK)
		{
			if (maxlen != bins[j]) height = MAX_ASTERISK * (static_cast<float>(bins[j]) / maxlen);
			else if (maxlen == bins[j]) height = MAX_ASTERISK;
		}
		for (int i = 0; i < height; i++) cout << "*";
		cout << "\n";
	}
	return 0;
}