commit 406eb41dfe29fcf5175278a19f39ddf7cd77fba8 Author: ArtyushinaVV Date: Sun Apr 23 13:31:51 2023 +0300 code: исходный код diff --git a/main.cpp b/main.cpp new file mode 100644 index 0000000..fa680a7 --- /dev/null +++ b/main.cpp @@ -0,0 +1,87 @@ +#include +#include +#include + +using namespace std; + +int main() +{ + size_t number_count; + cerr << "Enter number count:"; + cin >> number_count; + vector numbers(number_count); + cerr << "Enter numbers"; + for (size_t i = 0; i < number_count; i++) + cin >> numbers[i]; + size_t bin_count; + cerr << "Enter bin count:"; + cin >> bin_count; + if (bin_count == 0) + { + bin_count = sqrt(number_count); + if (bin_count > 25) + { + bin_count = 1 + log2(number_count); + cout << "After Sturges rule bin count is:" << bin_count << endl; + } + else + cout << "After Empirical rule bin count is:" << bin_count << endl; + } + + vector bins(bin_count, 0); + double min = numbers[0]; + double max = numbers[0]; + + for (double number : numbers) + { + if (min > number) + min = number; + else if (max < number) + max = number; + } + + 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 ((numbers[i] >= lo) && (numbers[i] < hi)) + { + bins[j]++; + found = true; + } + } + if (!found) + { + bins[bin_count - 1]++; + } + } + + const size_t SCREEN_WIDTH = 80; + const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; + + size_t max_bin = bins[0]; + for (size_t bin : bins) + if (bin > max_bin) + max_bin = bin; + for (size_t bin : bins) + { + int height = bin; + if (max_bin > MAX_ASTERISK) + { + height = MAX_ASTERISK * (static_cast(bin) / max_bin); + } + if (bin < 100) + cout << " "; + if (bin < 10) + cout << " "; + cout << bin << "|"; + for (size_t i = 0; i < height; i++) + cout << "*"; + cout << endl; + } + return 0; +}