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main.cpp

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+#include <iostream>
+#include <vector>
+using namespace std;
+int main()
+{
+    size_t number_count;
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    int max_count=0;
+ //   cerr<<"Enter number count: ";
+    cin>>number_count;
+    vector<double> numbers(number_count);
+
+    for(size_t i=0; i<number_count;i++)
+    {
+        cin>>numbers[i];
+    }
+    size_t bin_count;
+  //  cerr<<"Enter bin count: ";
+    cin>>bin_count;
+    vector<size_t> bins (bin_count);
+
+    double min=numbers[0];
+    double max=numbers[0];
+
+    for (double x:numbers)
+    {
+        if (x<min)
+        {
+            min=x;
+        }
+        else if (x>max)
+        {
+            max=x;
+        }
+
+    }
+    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;
+                }
+        }
+        if (!found)
+        {
+            bins[bin_count-1]++;
+        }
+    }
+    for(int i=0;i<bin_count;i++)
+    {
+        if(bins[i]>max_count)
+        {
+            max_count=bins[i];
+        }
+    }
+    // cout<<bins[i]<<endl;
+
+    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);
+            for (int j=0;j<height;j++){
+                    cout<<"*";
+                }
+                if (bins[i]>10 && bins[i]<100){
+                    cout<<"| "<<bins[i];
+                }
+            else if (bins[i]<10){
+                cout<<"|  "<<bins[i];
+            }
+                cout<<endl;
+
+
+        }
+    }
+    else
+    {
+
+        for(int i=0; i<bin_count;i++){
+                for (int j=0;j<(max_count-bins[i]);j++){
+                    cout<<" ";
+                }
+                for (int j=0;j<bins[i];j++){
+                    cout<<"*";
+                }
+                if (bins[i]>10 && bins[i]<100){
+                    cout<<"| "<<bins[i];
+                }
+            else if (bins[i]<10){
+                cout<<"|  "<<bins[i];
+            }
+                cout<<endl;
+
+
+        }
+    }
+}