diff --git a/LABA1.cpp b/LABA1.cpp
index 06dc84c..36c7c63 100644
--- a/LABA1.cpp
+++ b/LABA1.cpp
@@ -68,7 +68,6 @@ struct Input {
 
 Input input_data() {
     Input in;
-    Input in2;
     int VecSize = 0;
     cin >> VecSize;
     in.marks.resize(VecSize);
diff --git a/histogram.cpp b/histogram.cpp
index a4c686b..5f13b9d 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -3,8 +3,7 @@ using namespace std;
 
 void FindMinMax(const vector<double>& marks, double& min, double& max) {
     max = 0;
-	min = 0;
-    if (marks.size() = 0) {
+    if (marks.size() != 0) {
         min = marks[0];
         for (double x : marks) {
             if (x > max) {
@@ -14,9 +13,10 @@ void FindMinMax(const vector<double>& marks, double& min, double& max) {
                 min = x;
             }
         }
-    }
+    }else{ min = 0; }
 }
 
+
 vector <double> MakeHistogram(const vector<double>& marks, int NCharts) {
     double interval = 0, i = 0, min = 0, max = 0;
     vector<double> chart(NCharts);
diff --git a/unittest.vcxproj.user b/unittest.vcxproj.user
new file mode 100644
index 0000000..88a5509
--- /dev/null
+++ b/unittest.vcxproj.user
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+</Project>
\ No newline at end of file