code: Добавлены функции make_histogram и show_histogram_text

main.cpp

@@ -12,6 +12,7 @@ struct Input {
 
 Input
 input_data(){
+
     size_t number_count;
     cerr << "Enter number_count: ";
     cin >> number_count;
@@ -27,11 +28,10 @@ input_data(){
     cin >> in.bin_count;
 
     return in;
-
 }
 
 void
-find_minmax(const vector<double>& numbers, double& min, double& max) {
+find_minmax(vector<double>& numbers, double& min, double& max){
     min = numbers[0];
     max = numbers[0];
     for (double x : numbers) {
@@ -44,39 +44,34 @@ find_minmax(const vector<double>& numbers, double& min, double& max) {
     }
 }
 
-
-int
-main()
-{
-    Input in = input_data();
-
-    //size_t i, bin;
+vector<size_t> make_histogram(vector<double>& numbers, size_t bin_count) {
     double min, max;
-    find_minmax(in.numbers, min, max);
+    find_minmax(numbers, min, max);
 
-   // vector<size_t> bins(bin_count);
-    //double bin_size = (max - min) / bin_count;
+    vector<size_t> bins(bin_count, 0);
+    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 ((lo <= numbers[i]) && (numbers[i] < hi)) {
-                bins[j]++;
-                found = true;
+    for (double number : numbers) {
+        size_t bin_index = bin_count - 1;  // default to last bin
+        if (number < max) {
+            bin_index = static_cast<size_t>((number - min) / bin_size);
         }
+        bins[bin_index]++;
     }
-        if (!found) {
-            bins[bin_count - 1]++;
-            }
+
+    return bins;
 }
+
+void show_histogram_text(const vector<size_t>& bins){
+    size_t i;
     size_t height = 0;
     size_t max_count = 0;
-    for (i = 0; i < bin_count; i++){
-        if (bins[i] > max_count) max_count = bins[i];
+    for (size_t x: bins) {
+        if (x > max_count) {
+            max_count = x;
         }
-
+    }
+    if (max_count > MAX_ASTERISK) {
         for(size_t bin:bins){
             size_t height = bin;
             height = MAX_ASTERISK * (static_cast<double>(bin) / max_count);
@@ -87,6 +82,27 @@ main()
             if(bin<100) cout<<" ";
             if(bin<10) cout<<" ";
             cout<<bin<<endl;
-    }*/
+        }
+    } else {
+        for(size_t bin:bins){
+            size_t height = bin;
+            for(size_t i = 0; i < height; i++){
+                cout<<"*";
+            }
+            cout<<"|";
+            if(bin<100) cout<<" ";
+            if(bin<10) cout<<" ";
+            cout<<bin<<endl;
+        }
+    }
+}
+
+int
+main()
+{
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins);
     return 0;
 }
+