#include <iostream> #include <vector> #include <cmath> using namespace std; struct Input { vector<double> 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<double>& numbers, double& min, double& max) { max = numbers[0]; min = numbers[0]; for(size_t i = 0; i < numbers.size(); i++) { if (numbers[i] > max) max = numbers[i]; if (numbers[i] < min) min = numbers[i]; } } void make_histogram(vector<double>& bins, Input in) { double min, max; find_minmax(in.numbers, min, max); size_t cor_size = (max - min)/in.bin_count; for (size_t i = 0; i < in.numbers.size(); i++) { bool flag = false; for (size_t j = 0; (j < in.bin_count) && !flag; j++) { auto L = min + j*cor_size; auto H = min + (j+1)*cor_size; if ((L <= in.numbers[i]) && (in.numbers[i] <= H)) { flag = true; bins[j]++; } } if (!flag) bins[in.bin_count-1]++; } } void show_histogram_text(vector<double> bins, Input in) { const size_t MAX_ASTERISK = 76; int maxb = bins[0]; size_t H; for (size_t j = 1; j < in.bin_count; j++) { if (bins[j] > maxb) maxb = bins[j]; } for (size_t j = 0; j < in.bin_count; j++) { if (maxb > MAX_ASTERISK) { H = MAX_ASTERISK * (static_cast<double>(bins[j]) / maxb); } else H = bins[j]; if (bins[j] < 100) cout << " "; if (bins[j] < 10) cout << " "; cout << bins[j] << "|"; for (size_t i = 0; i < H; i++) cout << "*"; cout << endl; } } int main() { auto in = input_data(); vector<double> bins; bins.resize(in.bin_count); make_histogram(bins, in); show_histogram_text(bins, in); }