#include #include using namespace std; const size_t SCREEN_WIDTH = 80; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; struct Input { vector numbers; size_t bin_count{}; }; Input input_data() { size_t number_count; cout << "Enter number count: "; cin >> number_count; Input in; in.numbers.resize(number_count); cout << "Enter " << number_count << " numbers: "; for (size_t i = 0; i < number_count; i++) { cin >> in.numbers[i]; } cout << "Enter bin count: "; cin >> in.bin_count; return in; } void find_minmax(const vector& numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; for (double x : numbers) { if (x < min) min = x; if (x > max) max = x; } } vector make_histogram(const vector& numbers, size_t bin_count) { vector bins(bin_count, 0); double min, max; find_minmax(numbers, min, max); double bin_size = (max - min) / 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++) { double lo = min + j * bin_size; double hi = min + (j + 1) * bin_size; if (numbers[i] >= lo && numbers[i] < hi) { bins[j]++; found = true; } } if (!found) bins[bin_count - 1]++; } return bins; } void show_histogram_text(const vector& bins, size_t screen_width = SCREEN_WIDTH) { size_t max_count = bins[0]; for (size_t count : bins) { if (count > max_count) max_count = count; } for (size_t j = 0; j < bins.size(); j++) { if (bins[j] < 100) cout << " "; if (bins[j] < 10) cout << " "; cout << bins[j] << "|"; size_t height = 0; if (max_count > MAX_ASTERISK) { height = static_cast(static_cast(bins[j]) / max_count * MAX_ASTERISK); } else { height = bins[j]; } for (size_t i = 0; i < height; i++) { cout << "*"; } cout << endl; } } int main() { auto in = input_data(); auto bins = make_histogram(in.numbers, in.bin_count); show_histogram_text(bins); return 0; }