cs-lab34-3/main.cpp

#include <iostream>
#include <vector>
#include <string>

using namespace std;

struct Input {
    vector<double> numbers;
    size_t bin_count{};
   // vector<string> colour;
};

Input
input_data(){

Input in;

size_t number_count;
cin >> number_count;

in.numbers.resize(number_count);

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

cin >> in.bin_count;

/*in.numbers.resize(in.bin_count);

for (size_t i = 0; i < in.bin_count; i++) {
    cin >> in.colour[i];*/

    return in;
}

void
find_minmax(const vector<double>& numbers, double& min, double& max) {
min = numbers[0];
max = numbers[0];
for (double x : numbers) {
    if (x < min) {
        min = x;
    }
    else if (x > max) {
        max = x;
    }
}
}

vector<size_t>
make_histogram(const vector<double>& numbers, size_t bin_count){

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

for (size_t i = 0; i < numbers.size(); i++) {
    bool found = false;
    for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
        auto lo = min + j * bin_size;
        auto hi = min + (j + 1) * bin_size;
        if ((lo <= numbers[i]) && (numbers[i] < hi)) {
            bins[j]++;
            found = true;
        }
    }
        if (!found) {
        bins[bin_count - 1]++;
    }}

    return bins;
}

void show_histogram_text(vector <size_t> bins, const double& bin_count)
{

for (size_t i = 0; i < bin_count; i++)
{
if (bins[i] < 100)
{
cout<< " ";
}
if (bins[i] < 10)
{
cout<< " ";
}
cout<< bins[i]<<"|";
for (size_t j = 0; j < bins[i]; j++)
{
cout<< "*";
}
cout<< "\n";
}
}


int main()
{
    auto in = input_data();
    auto bins = make_histogram(in.numbers, in.bin_count);
    show_histogram_text(bins, in.bin_count);

    return 0;
}