cs-lab34_Var7/LABA1.cpp

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

struct Input {
    vector <double> marks;
    int NCharts = 0;
};

Input
input_data() {
    Input in;
    int VecSize = 0;
    cin >> VecSize;
    in.marks.resize(VecSize);
    for (int i = 0; i < VecSize; i++) {
        cin >> in.marks[i];
    }
    cin >> in.NCharts;
    return in;
};

int main()
{
    Input in = input_data();
    int VecSize = size(in.marks);
    double interval = 0, inp = 0, i = 0, min = 0, max = 0, scale = 1;
    vector <int> chart(in.NCharts);
    min = *min_element(begin(in.marks), end(in.marks));
    max = *max_element(begin(in.marks), end(in.marks));
    interval = (max - min) / in.NCharts;
    for (int x : in.marks) {
        i = 0;
        while ((x > min + interval * (i + 1))) {
            i += 1;
        }
        chart[i] += 1;
    }
    max = *max_element(begin(chart), end(chart));
    if ((max+4) > 80) {
        scale = (max+4) / 80;
    }
    for (i = 0; i < in.NCharts; i++) {
        if (chart[i] < 10) {
            cout << "  ";
        }
        else if (9 < chart[i] && chart[i]< 100) {
            cout << " ";
        }
        cout << chart[i] << "|";
        max = (chart[i] / scale);
        if (scale != 1) {
            max -= 1;
        }
        for (int j = 0; j < max; j++) {
            cout << "*";
        }
        cout << "\n";
    }
}