cs-lab_34/CommonVar.cpp

#include <vector>
#include <iostream>
#include <string>
using namespace std;
int main() {
	const size_t SCREEN_WIDTH = 80;
	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;


	double maxx, minn, MaxCount = 0;
	size_t NumberCount, BinCount;
	cerr << "Enter number count: ";
	cin >> NumberCount;
	cerr << "Enter bin count: ";
	cin >> BinCount;
	vector <double> Numbers(NumberCount);
	for (int i = 0; i < NumberCount; i++) {
		cin >> Numbers[i];
	}
	vector <size_t> Bins(BinCount);
	maxx = Numbers[0];
	minn = Numbers[0];
	for (auto x : Numbers) {
		if (x > maxx) {
			maxx = x;
		}
		if (x < minn) {
			minn = x;
		}
	}
	double BinSize = (maxx - minn) / BinCount;

	for (size_t i = 0; i < NumberCount; i++) {
		bool found = false;
		for (size_t j = 0; (j < BinCount - 1) && !found; j++) {
			auto lo = minn + j * BinSize;
			auto hi = minn + (j + 1) * BinSize;
			if ((lo <= Numbers[i]) && (Numbers[i] < hi)) {
				Bins[j]++;
				found = true;
				if (Bins[j] > MaxCount) {
					MaxCount = Bins[j];
				}
			}
		}
		if (!found) {
			Bins[BinCount - 1]++;
			if (Bins[BinCount - 1] > MaxCount) {
				MaxCount = Bins[BinCount - 1];
			}
		}
	}
	for (auto bin : Bins) {
		if (bin < 100) {
			cout << " ";
		}
		if (bin < 10) {
			cout << " ";
		}
		cout << bin << "|";
		size_t height = MAX_ASTERISK * (static_cast<double>(bin) / MaxCount);
		if (MaxCount <= 76) {
			for (int i = 0; i < bin; i++) {
				cout << '*';
			}
		}
		else {
			for (int i = 0; i < height; i++) {
				cout << '*';
			}
		}
		cout << endl;
	}
	return 0;
}