#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() { 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]; } size_t bin_count; cin >> in.bin_count; return in; } void find_minmax(const vector& numbers, double& min, double& max) { min = numbers[0]; for (size_t i = 1; i < numbers.size(); i++) { if (numbers[i] < min) { min = numbers[i]; } else if (numbers[i] > max) { max = numbers[i]; } } } vector make_histogram(const vector & numbers, size_t bin_count) { double minc, maxc; find_minmax(numbers, minc, maxc); vector bins(bin_count); double bin_size = (maxc - minc) / bin_count; size_t bin_max_size = 0; 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 = minc + j * bin_size; auto hi = minc + (j + 1) * bin_size; if ((lo <= numbers[i]) && (numbers[i] < hi)) { bins[j]++; found = true; if (bins[j] > bin_max_size) { bin_max_size = bins[j]; } } } if (!found) { bins[bin_count - 1]++; if (bins[bin_count - 1] > bin_max_size) { bin_max_size = bins[bin_count - 1]; } } } return bins; } void show_histogram_text(vector bins) { size_t bin_max_size = 0; for (auto bin : bins) { if (bin_max_size < bin) { bin_max_size = bin; } } double k = double(MAX_ASTERISK) / bin_max_size; if (k > 1) { k = 1; } for (size_t bin = 0; bin < bins.size(); bin++) { if (bins[bin] < 100) { cout << " "; } if (bins[bin] < 10) { cout << " "; } cout << bins[bin] << "|"; for (size_t i = 0; i < bins[bin] * k; i++) { cout << "*"; } cout << endl; } } int main() { Input in = input_data(); auto bins = make_histogram(in.numbers, in.bin_count); show_histogram_text(bins); return 0; }