diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4c7473d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/bin
+/obj
diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..d0d0d81
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,63 @@
+#include <iostream>
+#include <vector>
+#include <cmath>
+#include "histogram.h"
+using namespace std;
+static find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+    }
+
+    max = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] > max) {
+            max = numbers[i];
+        }
+    }
+
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+
+    vector<size_t> bins(bin_count);
+    vector<size_t> binss(bin_count);
+
+    double max, min;
+    find_minmax(numbers, min, max);
+    double bin_size = (max / min) / bin_count;
+
+    for (size_t i = 0; i < numbers.size(); 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]++;
+        }
+    }
+
+    int max_count = bins[0];
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] > max_count) {
+            max_count = bins[i];
+        }
+    }
+
+    if (max_count > 76) {
+
+        for (size_t i = 0; i < bin_count; i++) {
+            int count = bins[i];
+            size_t height = 76 * (static_cast<double>(count) / max_count);
+            bins[i] = height;
+        }
+    }
+    return bins;
+}
diff --git a/histogram.h b/histogram.h
new file mode 100644
index 0000000..c66f9e7
--- /dev/null
+++ b/histogram.h
@@ -0,0 +1,10 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+
+#endif // HISTOGRAM_H_INCLUDED
diff --git a/main.cpp b/main.cpp
index fb7714e..fe5b8f5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,8 @@
 #include <iostream>
 #include <vector>
 #include <cmath>
-
+#include "histogram.h"
+#include "text.h"
 using namespace std;
 
 
@@ -27,81 +28,7 @@ input_data() {
     return in;
 }
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] < min) {
-            min = numbers[i];
-        }
-    }
-
-    max = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] > max) {
-            max = numbers[i];
-        }
-    }
-
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
-
-    vector<size_t> bins(bin_count);
-    vector<size_t> binss(bin_count);
-
-    double max, min;
-    find_minmax(numbers, min, max);
-    double bin_size = (max / min) / bin_count;
-
-    for (size_t i = 0; i < numbers.size(); 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]++;
-        }
-    }
-
-    int max_count = bins[0];
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] > max_count) {
-            max_count = bins[i];
-        }
-    }
-
-    if (max_count > 76) {
-
-        for (size_t i = 0; i < bin_count; i++) {
-            int count = bins[i];
-            size_t height = 76 * (static_cast<double>(count) / max_count);
-            bins[i] = height;
-        }
-    }
-    return bins;
-}
-
-void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
 
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] < 100) {
-            cout << " ";
-        }
-        if (bins[i] < 10) {
-            cout << " ";
-        }
-        cout << bins[i] << "|";
-        for (size_t j = 0; j < bins[i]; j++) {
-            cout << "*";
-        }
-        cout << "\n";
-    }
-}
 
 
 
diff --git a/project3.depend b/project3.depend
new file mode 100644
index 0000000..789e321
--- /dev/null
+++ b/project3.depend
@@ -0,0 +1,25 @@
+# depslib dependency file v1.0
+1682272183 source:c:\users\hp\desktop\lab-03\project3\main.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"histogram.h"
+
+1682271918 c:\users\hp\desktop\lab-03\project3\histogram.h
+	<vector>
+
+1682272774 source:c:\users\hp\desktop\lab-03\project3\histogram.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"histogram.h"
+
+1682273206 source:c:\users\hp\desktop\lab-03\project3\text.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"text.h"
+
+1682273446 c:\users\hp\desktop\lab-03\project3\text.h
+	<vector>
+
diff --git a/text.cpp b/text.cpp
new file mode 100644
index 0000000..fab929c
--- /dev/null
+++ b/text.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+#include <vector>
+#include <cmath>
+#include "text.h"
+using namespace std;
+void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
+
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] < 100) {
+            cout << " ";
+        }
+        if (bins[i] < 10) {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        for (size_t j = 0; j < bins[i]; j++) {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+}
+
diff --git a/text.h b/text.h
new file mode 100644
index 0000000..091ed8b
--- /dev/null
+++ b/text.h
@@ -0,0 +1,6 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+#include <vector>
+void show_histogram_text(std::vector <size_t> bins, size_t bin_count );
+
+#endif // TEXT_H_INCLUDED