#include <iostream> #include <vector> using namespace std; int main() { // Ââîä îöåíêîê ñ êëàâèàòóðû. const size_t SCREEN_WIDTH = 80; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; size_t number_count, bin_count; cerr << "Enter number count: "; cin >> number_count; vector<double> numbers(number_count); for (size_t i = 0; i < number_count; i++) cin >> numbers[i]; cerr << "Enter bin count: "; cin >> bin_count; // Ïîèñê ìàêñèìóìà è ìèíèìóìà ñðåäè îöåíîê. double min = numbers[0]; double max = numbers[0]; for (double x : numbers) { if (x < min) min = x; else if (x > max) max = x; } // Ñîçäàíèå êîðçèí äëÿ äàëüíåéøåé ñîðòèðîâêè îöåíîê ïî íèì. double bin_size = (max - min) / bin_count; vector<size_t> bins(bin_count); for (size_t i = 0; i < bin_count; i++) bins[i] = 0; // Ñîðòèðîâêà îöåíîê ïî êîðçèíàì. 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]++; } // Ïîèñê ìàêñèìàëüíîãî êîëè÷åñâà îöåíîê â îäíîì ñòîëáöå. size_t max_count = bins[0]; for (size_t i = 0; i < bin_count; i++) { if (bins[i] > max_count) max_count = bins[i]; } // Ñîçäàíèå ãèñòîãðàììû ïî îöåíêàì. size_t height; size_t buf; for (size_t i = 0; i < bin_count; i++) { buf = bins[i]; while (buf < max_count) // Âûðàâíèâàíèå äëÿ ÷èñåë, ìåíüøèõ ÷åì ìàêñèìàëüíîå ÷èñëî. { cout << " "; buf *= 10; } cout << bins[i] << "|"; height = bins[i]; if (max_count > MAX_ASTERISK) height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count); for (size_t j = 1; j <= height; j++) cout << "*"; cout << endl; } return 0; }