commit 0dfb8a1b267d4d70a555966723f9c193240b6cda Author: KozlovVV <KozlovVV@mpei.ru> Date: Mon Oct 7 00:22:28 2024 +0300 code: код из первой лабораторной diff --git a/main.cpp b/main.cpp new file mode 100644 index 0000000..94c0f67 --- /dev/null +++ b/main.cpp @@ -0,0 +1,140 @@ +#include <iostream> +#include <vector> +using namespace std; + +struct Input { + vector<double> numbers; + size_t bin_count{}; +}; + +Input +input_data() { + Input in; + + size_t number_count; + cerr << "Enter quantity of numbers: "; + cin >> number_count; + + vector<double> numbers(number_count); + 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 < min) { + min = x; + } + else if (x > max) { + max = x; + } + } +} + +vector <size_t> +make_histogram(const vector<double> numbers, size_t bin_count) { + double min; + double max; + + find_minmax(numbers, min, max); + + vector<size_t> bins(bin_count); + double bin_size = (max - min) / bin_count; + for (size_t i = 0; i < numbers.size(); 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]++; + } + } + 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; + + int max_count = 0; + for (int i =0; i<bin_count;i++){ + if (bins[i]>max_count){ + max_count=bins[i]; + } + } + if (max_count>MAX_ASTERISK){ + for (int i=0; i<bin_count; i++){ + size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count); + if (bins[i]<10){ + cout<<" "<<bins[i]<<"|"; + for (int j=0;j<height;j++){ + cout<<"*"; + } + cout<<endl; + } + else if(bins[i]<100){ + cout<<" "<<bins[i]<<"|"; + for (int j=0;j<height;j++){ + cout<<"*"; + } + cout<<endl; + } + else{ + cout<<bins[i]<<"|"; + for (int j=0;j<height;j++){ + cout<<"*"; + } + cout<<endl; + } + + } + }else{ + for (int i=0; i<bin_count; i++){ + if (bins[i]<10){ + cout<<" "<<bins[i]<<"|"; + for (int j=0;j<bins[i];j++){ + cout<<"*"; + } + cout<<endl; + } + else if(bins[i]<100){ + cout<<" "<<bins[i]<<"|"; + for (int j=0;j<bins[i];j++){ + cout<<"*"; + } + cout<<endl; + } + else{ + cout<<bins[i]<<"|"; + for (int j=0;j<bins[i];j++){ + 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); +}