headers

Header.cpp

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+#include "Header.h"
+Input input_data()
+{
+    Input in;
+    size_t n, korz;
+
+    cerr << "Number of elem ";
+    cin >> n;
+    in.vec.resize(n);
+    for (size_t i = 0; i < n; i++)
+        cin >> in.vec[i];
+    cerr << "Enter bin count: ";
+    cin >> in.korz;
+    return in;
+}
+void find_minmax(vector<double> vec, double& min, double& max) {
+    min = vec[0];
+    max = vec[0];
+    for (double x : vec) {
+        if (x < min) {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+}
+vector<size_t> make_histogram(size_t number, vector<double> vec) {
+    vector<size_t> bins(number);
+    double mn, mx;
+    find_minmax(vec, mn, mx);
+    float bin_size = (mx - mn) / number;
+    for (size_t i = 0; i < vec.size(); i++) {
+        bool fl = false;
+        for (size_t j = 0; (j < number - 1) && !fl; j++) {
+            auto lo = mn + j * bin_size;
+            auto hi = mn + (j + 1) * bin_size;
+            if ((lo <= vec[i]) && (vec[i] < hi)) {
+                bins[j]++;
+                fl = true;
+            }
+        }
+        if (!fl) {
+            bins[number - 1]++;
+
+        }
+    }
+    return bins;
+}

Header.h

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+#include <vector>
+#include <iostream>
+using namespace std;
+struct Input {
+    vector<double> vec;
+    size_t korz{};
+};
+Input input_data();
+void find_minmax(vector<double> vec, double& min, double& max);
+vector<size_t> make_histogram(size_t number, vector<double> vec);

text.cpp

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+#include "text.h"
+
+void show_histogram(std::vector<size_t> bins) {
+    bool gigant = false;
+    auto spaces = 0;
+    size_t mx_count = 0;
+    for (auto x : bins) {
+        if (x > 76) {
+            gigant = true;
+        }
+        if (x > mx_count) {
+            mx_count = x;
+        }
+        auto len = 0;
+        while (x > 0) {
+            x /= 10;
+            len++;
+        }
+        if (len > spaces) {
+            spaces = len;
+        }
+
+    }
+    if (spaces == 1) {
+        for (size_t i = 0; i < bins.size(); i++) {
+            std::cout << "  " << bins[i] << "|";
+            if (gigant) {
+                if (bins[i] == mx_count) {
+                    for (size_t j = 0; j < 76; j++) {
+                        std::cout << "*";
+                    }
+                }
+                else
+                {
+                    for (size_t j = 0; j < 76 * static_cast<double>(bins[i]) / mx_count; j++) {
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+                std::cout << '/n';
+            }
+        }
+    }
+    else
+    {
+        for (size_t i = 0; i < bins.size(); i++) {
+            int len = 1;
+            int k = bins[i];
+            for (; k /= 10; ++len);
+            while (len < spaces) {
+                std::cout << " ";
+                len++;
+            }
+            std::cout << bins[i];
+            std::cout << "|";
+            if (gigant) {
+                if (bins[i] == mx_count) {
+                    for (size_t j = 0; j < 76; j++) {
+                        std::cout << "*";
+                    }
+                }
+                else
+                {
+                    for (size_t j = 0; j < (76 * static_cast<double>(bins[i]) / mx_count - 1); j++) {
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+            }
+            std::cout << '/n';
+        }
+    }
+}

text.h

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+#include <vector>
+#include <iostream>
+void show_histogram(std::vector<size_t> bins);