diff --git a/lab01.cbp b/lab01.cbp
index fb64a0d..5fb3662 100644
--- a/lab01.cbp
+++ b/lab01.cbp
@@ -33,6 +33,9 @@
 			<Add option="-fexceptions" />
 		</Compiler>
 		<Unit filename=".gitignore" />
+		<Unit filename="histogram.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
 		<Unit filename="main.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
diff --git a/main.cpp b/main.cpp
index abf6d5f..f3ee515 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,78 +4,79 @@
 
 using namespace std;
 
-    struct Input {
+struct
+Input
+{
     vector<double> numbers;
     size_t bin_count{};
-    };
+};
 
-    Input
-    input_data(){
+Input
+input_data()
+{
 
     size_t number_count;
     cin >> number_count;
     Input in;
 
     in.numbers.resize(number_count);
-    for (size_t i = 0; i < number_count; i++) {
-    cin >> in.numbers[i];
+    for (size_t i = 0; i < number_count; i++)
+    {
+        cin >> in.numbers[i];
     }
-
-    size_t bin_count;
     cin >> in.bin_count;
     return in;
-    }
+}
 
-    void find_minmax(const vector<double> numbers, double& min, double& max)
-    {
+void
+find_minmax(const vector<double>& numbers, double& min, double& max)
+{
     max = numbers[0];
     min = numbers[0];
     for(size_t i = 0; i < numbers.size(); i++)
-        {
+    {
         if (numbers[i] > max) max = numbers[i];
         if (numbers[i] < min) min = numbers[i];
-        }
     }
+}
 
-    vector<double> make_histogram(const vector<double> numbers, size_t bin_count)
-    {
+void
+make_histogram(vector<double>& bins, Input in)
+{
     double min, max;
-    find_minmax(numbers, min, max);
-    vector<double> bins;
+    find_minmax(in.numbers, min, max);
+    size_t cor_size = (max - min)/in.bin_count;
 
-    size_t cor_size = (max - min)/bin_count;
-
-    for (size_t i = 0; i < numbers.size(); i++)
+    for (size_t i = 0; i < in.numbers.size(); i++)
     {
         bool flag = false;
-        for (size_t j = 0; (j < bin_count - 1) && !flag; j++)
+        for (size_t j = 0; (j < in.bin_count) && !flag; j++)
         {
-           auto L = min + j*cor_size;
-           auto H = min + (j+1)*cor_size;
-           if ((L <= numbers[i]) && (numbers[i] < H))
-           {
-               flag = true;
-               bins[j]++;
-           }
+            auto L = min + j*cor_size;
+            auto H = min + (j+1)*cor_size;
+            if ((L <= in.numbers[i]) && (in.numbers[i] <= H))
+            {
+                flag = true;
+                bins[j]++;
+            }
         }
-        if (!flag) bins[bin_count-1]++;
-    }
-
-    return bins;
+        if (!flag) bins[in.bin_count-1]++;
     }
+}
 
-    void show_histogram_text(vector<double> bins, const vector<double> numbers, size_t bin_count)
-    {
+void
+show_histogram_text(vector<double> bins, Input in)
+{
     const size_t MAX_ASTERISK = 76;
     int maxb = bins[0];
     size_t H;
 
-    for (size_t j = 1; j < bin_count; j++)
+    for (size_t j = 1; j < in.bin_count; j++)
     {
         if (bins[j] > maxb) maxb = bins[j];
     }
 
-    for (size_t j = 0; j < bin_count; j++)
+    for (size_t j = 0; j < in.bin_count; j++)
     {
         if (maxb > MAX_ASTERISK)
         {
@@ -88,27 +89,14 @@ using namespace std;
         for (size_t i = 0; i < H; i++) cout << "*";
         cout << endl;
     }
-    }
+}
 
-/////////////////////////////////////////////////////////
-int main()
+int
+main()
 {
     auto in = input_data();
-/////////////////////////////////////////////////////////
-    if (in.bin_count == 0)
-    {
-        in.bin_count = sqrt(in.numbers.size());
-        if (in.bin_count > 25)
-        {
-            in.bin_count = 1 + log2(in.numbers.size());
-            cout << "sterg";
-        }
-        else cout << "empirii";
-        cout << endl;
-    }
-/////////////////////////////////////////////////////////
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins, in.numbers, in.bin_count);
-
-    return 0;
+    vector<double> bins;
+    bins.resize(in.bin_count);
+    make_histogram(bins, in);
+    show_histogram_text(bins, in);
 }