diff --git a/lab1.cpp b/lab1.cpp
index 30c7603..cca342b 100644
--- a/lab1.cpp
+++ b/lab1.cpp
@@ -4,7 +4,7 @@
 #include <iostream>
 #include <vector>
 #include <cmath>
-
+#include "histogram.h"
 using namespace std;
 
 
@@ -30,64 +30,6 @@ 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) {