#include <iostream> #include <vector> #include <ctime> using namespace std; struct Input { vector<double> numbers; size_t bin_count{}; }; Input input_data() { size_t number_count; cerr << "Enter number count: "; cin >> number_count; // Кол-во чисел Input in; in.numbers.resize(number_count); for (size_t i = 0; i < number_count; i++) { cin >> in.numbers[i]; } cerr << "Enter bin count: "; cin >> in.bin_count; return in; } void find_minmax(vector<double> &numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; for (double x : numbers) { if (max < x) max = x; if (min > x) min = x; } } vector<size_t> make_histogram(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; } const size_t SCREEN_WIDTH = 80; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; void show_histogram_text(std::vector<size_t> bins, size_t bin_count) { double max_bin = *std::max_element(bins.begin(), bins.end()); for (size_t i = 0; i < bin_count; i++) { if (bins[i] < 100) cout << " "; if (bins[i] < 10) cout << " "; cout << bins[i] << "|"; size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin); for (size_t j = 0; j < height; j++) { cout << "*"; } cout << endl; } } int main() { auto in = input_data(); auto bins = make_histogram(in.numbers, in.bin_count); show_histogram_text(bins, in.bin_count); return 0; }