#include <iostream> #include <vector> 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; Input in; in.numbers.resize(number_count); cerr << "Enter numbers: "; 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(const vector<double>& numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; for (double x : numbers) { if (x > max ) { max = x; } if (x < min) { min = x; } } } vector<size_t> make_histogram(const vector<double>& numbers, size_t& bin_count) { double min = 0; double max = 0; find_minmax(numbers, min, max); auto bin_size = (max - min)/bin_count; vector<size_t> bins(bin_count); for (double number : numbers) { 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 <= number) && (number < hi)) { bins[j]++; found = true; } } if (!found) { bins[bin_count - 1]++; } } return bins; } void show_histogram_text(const vector<size_t>& bins, size_t& bin_count) { const size_t SCREEN_WIDTH = 80; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; size_t max_count = 0; for (size_t s = 0; s < bin_count; s++) { if (bins[s] > max_count) { max_count = bins[s]; } } auto kof = static_cast<double>(MAX_ASTERISK) / max_count; if (kof > 1) { kof = 1; } for (size_t bin : bins) { if (bin <100) { cout << " "; } if (bin <10) { cout << " "; } cout << bin << "|"; size_t weight = bin * kof; for (size_t t = 0; t < weight; t++) { 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 ); /*int main() { Input in = input_data(); double min, max; find_minmax(in.numbers, min, max); cout<< min << " " << max; const size_t SCREEN_WIDTH = 80; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; size_t max_count = 0; size_t max_count_bin; size_t number_count; //cerr << "Enter number count: "; //cin >> number_count; //vector<double> numbers(number_count); //cerr << "Enter numbers: "; //for (int i = 0; i < number_count; i++) // { // cin >> numbers[i]; // } //size_t bin_count; // cerr << "Enter bin count: "; // cin >> bin_count; // vector<size_t > bins(bin_count); double bin_size = ((max - min) / bin_count); for (size_t i = 0; i < number_count; 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]++; } for (size_t i = 0; i < bin_count; i++) { if (bins[i] > max_count) { max_count = bins[i]; max_count_bin = i; } } } vector<size_t> bins_height(bin_count); if (max_count > MAX_ASTERISK) { for (size_t i = 0; i < bin_count; i++) { bins_height[i]= MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count); } } else { for (size_t i = 0; i < bin_count; i++) { bins_height[i] = bins[i]; } } for (size_t i = 0; i < bin_count; i++) { if (bins[i] < 100) { cout << " "; if (bins[i] < 10) { cout << " "; } } cout << bins[i] << "|"; for (size_t j = 0; j < bins_height[i]; j++) { cout << "*"; } cout << endl; } size_t histogram_height; cerr << "Enter the histogram height" << endl; cin >> histogram_height; size_t C = (histogram_height / bin_count); //������������� ������� ����� 3: if (C >= 1) { for (size_t i = 0; i < bin_count; i++) { if (bins[i] < 100) { cout << " "; if (bins[i] < 10) { cout << " "; } } cout << bins[i]; cout << "|"; for (size_t j = 0; j < bins_height[i]; j++) { cout << "*"; } cout << endl; for (size_t g = 1; g < C; g++) { cout << " "; cout << "|"; for (size_t j = 0; j < bins_height[i]; j++) { cout << "*"; } cout << endl; } } } else { cout << "Histogram height is too small"; } */ return 0; }