code: функции в main

main.cpp

@@ -1,9 +1,106 @@
 #include <iostream>
+#include <vector>
+#include <string>
 
 using namespace std;
 
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+   // vector<string> colour;
+};
+
+Input
+input_data(){
+
+Input in;
+
+size_t number_count;
+cin >> number_count;
+
+in.numbers.resize(number_count);
+
+for (size_t i = 0; i < number_count; i++) {
+    cin >> in.numbers[i];
+        }
+
+cin >> in.bin_count;
+
+/*in.numbers.resize(in.bin_count);
+
+for (size_t i = 0; i < in.bin_count; i++) {
+    cin >> in.colour[i];*/
+
+    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, max;
+find_minmax(numbers, min, max);
+double bin_size = (max - min) / bin_count;
+vector<size_t> bins(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(vector <size_t> bins, const double& bin_count)
+{
+
+for (size_t i = 0; i < bin_count; i++)
+{
+if (bins[i] < 100)
+{
+cout<< " ";
+}
+if (bins[i] < 10)
+{
+cout<< " ";
+}
+cout<< bins[i]<<"|";
+for (size_t j = 0; j < bins[i]; j++)
+{
+cout<< "*";
+}
+cout<< "\n";
+}
+}
+
+
 int main()
 {
-    cout << "Hello world!" << endl;
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins, in.bin_count);
+
     return 0;
 }