cs-lab34/main.cpp

#include <iostream>
#include <vector>
#include <fstream>
#include <cmath>

const size_t WINDOW_WIDTH = 80;
const size_t MAX_VALUE = WINDOW_WIDTH - 3 - 1;
using namespace std;

int main()
{
    size_t count, inters;
    cerr<< "The amount of numbers is: "; cin >> count;
    cerr << endl << "Numbers are: ";
    vector <float> numbers (count);
    for (int i = 0; i < count; i++){cin >> numbers[i];}
    cerr << endl << "The amounts of intervals: "; cin >> inters;

    float min_number = numbers[0];
    float max_number = numbers[0];
    for (float now: numbers){
        if (now < min_number) {min_number = now;}
        if (now > max_number) {max_number = now;}
    }

    float diff = (max_number - min_number) / inters;
    vector <size_t> bins(inters);
    float lo = min_number, hi = min_number + diff;


    for (int i = 0; i < inters; i++){
        for (float now : numbers){
            if (i == inters - 1) {
                if ((now >= lo) && (now <= hi)) {bins[i]++;}
            }
            else {
                if ((now >= lo) && (now < hi)) {bins[i]++;}
            }
        }
        lo = hi; hi += diff;
    }
    float max_count = 0;
    for (auto now : bins) {max_count += now;}
    int added = 0;
    for (size_t now : bins){
        int height = 0;
        added += now;
        if (added < 100) {cout << ' ';} if (added < 10) {cout << ' ';}           //ôîðìàòèðîâàíèå ñòðîê

        cout << added << "|";
        if (added == max_count) {height = MAX_VALUE * 1.0;}
        else {height = MAX_VALUE * (static_cast <double> (added) / max_count);}
        for (int i = 0; i < round(height); i++) {cout << "*";}
    cout << endl;
    }
    return 0;
}