main.cpp

@@ -3,81 +3,50 @@
 
 using namespace std;
 
-void
-find_minmax(const vector<double> numbers, double& min, double& max)
-{
-    min = numbers[0];
-    max = numbers[0];
-    size_t number_count = numbers.size();
-    for (size_t i = 1; i < number_count; i++)
-    {
-        if (numbers[i] < min)
-        {
-            min = numbers[i];
-        }
-        else if (numbers[i] > max)
-        {
-            max = numbers[i];
-        }
-    }
-}
-
-
-
-struct Input
+int main()
 {
-    vector<double> numbers;
-    size_t bin_count{};
-};
-
-
-
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t number_count, bin_count, i, j;
 
-
-Input
-input_data()
-{
-    size_t number_count;
+    cerr << "Enter number count: ";
     cin >> number_count;
 
 
     vector<double> numbers(number_count);
-    for (size_t i = 0; i < number_count; i++)
+
+    for (i=0; i<number_count; i++)
     {
         cin>>numbers[i];
+
     }
 
-    size_t bin_count;
+    cerr << "Enter bin_count: ";
     cin >> bin_count;
 
-    Input in;
-    in.numbers.resize(number_count);
 
-    for (size_t i = 0; i < number_count; i++)
-    {
-        cin >> in.numbers[i];
-    }
-    cin >> in.bin_count;
-    return in;
+    vector<size_t> bins(bin_count);
 
+    double min = numbers[0];
+    double max = numbers[0];
+    for (double x : numbers)
+    {
+        if (x < min)
+        {
+            min = x;
         }
-
-
-
-vector<size_t>
-make_histogram(vector<double> numbers, size_t bin_count)
+        else if (x > max)
         {
+            max = x;
+        }
+    }
 
-    double min, max;
-    vector<size_t> bins(bin_count);
     double bin_size = (max - min) / bin_count;
-    find_minmax(numbers, min, max);
-    size_t number_count = numbers.size();
 
-    for (size_t i = 0; i < number_count; i++)
+    for (i = 0; i < number_count; i++)
     {
         bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        for (j = 0; (j < bin_count - 1) && !found; j++)
         {
             auto lo = min + j * bin_size;
             auto hi = min + (j + 1) * bin_size;
@@ -92,17 +61,41 @@ make_histogram(vector<double> numbers, size_t bin_count)
             bins[bin_count - 1]++;
         }
     }
-}
 
+    size_t max_count = 76;
 
+    for (i=1; i<bin_count; i++)
+    {
+        if (bins[i] > max_count && bins[i] > 76)
+            max_count=bins[i];
+    }
 
 
+    //for (i=0; i<bins[bin_count-1]; i++)
+    {
+        //for (j=0; j<bin_count; j++)
+        {
+            //if (bins[j]>i)
+                //cout<<"*";
+            //else
+                //cout<<" ";
+        }
+        //cout<<endl;
+    }
+
 
+    for(i=0; i<bin_count;i++){
 
-int main()
-{
+    if (bins[i]>=100)
+    cout<<bins[i]<<"|";
+    if (bins[i]<100 && bins[i]>=10)
+    cout<<" "<<bins[i]<<"|";
+    if (bins[i]<10)
+    cout<<"  "<<bins[i]<<"|";
+    size_t height = 76 * (static_cast<double>(bins[i]) / max_count);
+    for(j=0;j< height;j++)
+    cout<<"*";
+    cout<<endl;}
 
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    //show_histogram_text(bins, ...);
+    return 0;
 }