make function

Histogram/histogram.cpp

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+

Histogram/histogram.h

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+

Histogram/main.cpp

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 #include <iostream>
 #include <vector>
 
+struct Input{
+    std::vector<double> numbers;
+    size_t bin_count{};
+};
 
+Input input_data() {
+    size_t number_count;
+    std::cerr << "Enter number count: ";
+    std::cin >> number_count;
+
+    std::cerr << "Enter numbers: \n";
+    Input in;
+    in.numbers.resize(number_count);
+    for (size_t i = 0; i < number_count; ++i) {
+        std::cin >> in.numbers[i];
+    }
+
+    std::cerr << "Enter bucket: ";
+    std::cin >> in.bin_count;
+
+    return in;
+};
+
+size_t find_minmax(const std::vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        min = max = 0;
+        return 0;
+    }
+    min = numbers[0];
+    max = numbers[0];
+    for (double number : numbers) {
+        if (number < min) {
+            min = number;
+        }
+        if (number > max) {
+            max = number;
+        }
+    }
+    return 0;
+}
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count) {
+    std::vector<size_t> bins(bin_count, 0);
+    if (numbers.empty() || bin_count == 0) {
+        return bins;
+    }
+    double min, max;
+    find_minmax(numbers, min, max);
+    if (max == min) {
+        return bins; // Âîçâðàùàåì ïóñòûå êîðçèíû, òàê êàê ãèñòîãðàììà íå ìîæåò áûòü ïîñòðîåíà
+    }
+    double bin_width = (max - min) / bin_count;
+    for (double number : numbers) {
+        size_t bin_index = static_cast<size_t>((number - min) / bin_width);
+        if (bin_index >= bin_count) {
+            bin_index = bin_count - 1; // Îáðàáîòêà êðàéíåãî ñëó÷àÿ max == number
+        }
+        bins[bin_index]++;
+    }
+    return bins;
+};
+
+void show_histogram_text(const std::vector<size_t>& bins) {
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t max_bin = 0;
+    for (size_t bin : bins) {
+        if (bin > max_bin) {
+            max_bin = bin;
+        }
+    }
+    for (size_t bin_value : bins) {
+        if (bin_value < 100) std::cout << " ";
+        if (bin_value < 10) std::cout << " ";
+        std::cout << bin_value << " |";
+        size_t height = bin_value;
+        if (max_bin > MAX_ASTERISK) {
+            height = static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bin_value) / max_bin));
+        }
+        for (size_t i = 0; i < height; ++i) {
+            std::cout << "*";
+        }
+        std::cout << "\n";
+    }
+};
 using namespace std;
 
 int main()

Histogram/text.cpp

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+

Histogram/text.h

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+