#include #include #include using namespace std; struct Input { vector numbers; size_t bin_count{}; size_t SCREEN_WIDTH{}; size_t number_count{}; }; Input input_data() { Input in; cerr << "Enter number count: "; cin >> in.number_count; in.numbers.resize(in.number_count); for (size_t i = 0; i < in.number_count; i++) { cin >> in.numbers[i]; } cerr<<"Enter bin count:"; cin >> in.bin_count; while (true) { cerr << "Screen width: "; cin >> in.SCREEN_WIDTH; if (in.SCREEN_WIDTH < 7) { cerr << "<7"; cerr << endl; continue; } if (in.SCREEN_WIDTH > 80) { cerr << ">80"; cerr << endl; continue; } if (in.SCREEN_WIDTH < (in.number_count / 3)){ cerr << "& numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; for (double x : numbers) { if (x < min) { min = x; } else if (x > max) { max = x; } } } std::vector make_histogram(const std::vector& numbers, size_t bin_count) { vector bins(bin_count); double min = 0, max = 0; find_minmax(numbers, min, max); double bin_size = (max - min) / bin_count; for (int i = 0; i < numbers.size(); i++) { bool found = false; for (int 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; } int main() { auto in = input_data(); double min, max; find_minmax(in.numbers, min, max); const size_t MAX_ASTERISK = in.SCREEN_WIDTH - 3 - 1; auto bins = make_histogram(in.numbers, in.bin_count); double mxbins = bins[0]; for (double x : bins) { if (x > mxbins) mxbins = x; } double k; if (mxbins > MAX_ASTERISK) k = MAX_ASTERISK / mxbins; else k = 1; for (size_t i = 0; i < in.bin_count; i++) { if (bins[i] < 10) { cout << " " << bins[i] << "|"; } else if (bins[i] < 100) { cout << " " << bins[i] << "|"; } else if (bins[i] < 1000) { cout << bins[i] << "|"; } for (int j = 0; j < floor(bins[i] * k); j++) { cout << "*"; } cout << endl; } }