diff --git a/lab3.cpp b/lab3.cpp
new file mode 100644
index 0000000..2afad2d
--- /dev/null
+++ b/lab3.cpp
@@ -0,0 +1,65 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+    size_t num, po, i;
+    double max, min, m = 0, le, ri;
+    cout << "num=";
+    cin >> num;
+    cout << "po=";
+    cin >> po;
+    vector <double> mas(num);
+    vector<int> ch(po);
+    for (i = 0; i < num; i++)
+    {
+        cout << "mas [" << i << "]=";
+        cin >> mas[i];
+    }
+    cout << endl;
+    max = mas[0];
+    min = mas[0];
+    for (i = 1; i < num; i++)
+    {
+        if (max < mas[i])
+            max = mas[i];
+        if (min > mas[i])
+            min = mas[i];
+    }
+    le = min;
+    ri = le + (max - min) / po;
+    int kol = 0;
+    while (kol < po - 1)
+    {
+        for (i = 0; i < num; i++)
+        {
+            if (le <= mas[i] && ri > mas[i])
+                ch[kol]++;
+        }
+        if (ch[kol] > m)
+            m = ch[kol];
+        kol++;
+        le = ri;
+        ri = le + (max - min) / po;
+    }
+    for (i = 0; i < num; i++)
+    {
+        if ((ri <= mas[i] && le < mas[i]) || (le <= mas[i] && ri > mas[i]))
+            ch[kol] ++;
+        if (ch[kol] > m)
+            m = ch[kol];
+    }
+    for (i = 0; i < po; i++)
+    {
+        int d = m - ch[i];
+        if (d != 0)
+            for (int j = 0; j < d; j++)
+                cout << " ";
+        for (size_t j = 0; j < ch[i]; j++)
+            cout << "*";
+        cout << "|" << ch[i];
+        cout << endl;
+    }
+    return 0;
+}
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