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