#include #include using namespace std; void find_minmax(const vector numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; size_t number_count = numbers.size(); for (size_t i = 1; i < number_count; i++) { if (numbers[i] < min) { min = numbers[i]; } else if (numbers[i] > max) { max = numbers[i]; } } } struct Input { vector numbers; size_t bin_count{}; }; Input input_data() { size_t number_count; cin >> number_count; vector numbers(number_count); for (size_t i = 0; i < number_count; i++) { cin >> numbers[i]; } size_t bin_count; cin >> bin_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; } vector make_histogram(vector numbers, size_t bin_count) { double min, max; vector bins(bin_count); double bin_size = (max - min) / bin_count; find_minmax(numbers, min, max); size_t number_count = numbers.size(); 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]++; } } } int main() { auto in = input_data(); auto bins = make_histogram(in.numbers, in.bin_count); //show_histogram_text(bins, ...); }