Первый коммит 4 лабы

.gitignore

@@ -0,0 +1,2 @@
+/bin
+/obj

main.cpp

@@ -17,28 +17,28 @@ struct Input {
 };
 
 Input
-input_data() {
+input_data(istream& in) {
     size_t number_count;
     cerr << "Enter number count: ";
-    cin >> number_count;
+    in >> number_count;
 
-    Input in;
-    in.numbers.resize(number_count);
+    Input on;
+    on.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
         cerr << "Enter number " << i+1 << ": ";
-        cin >> in.numbers[i];}
+        in >> on.numbers[i];}
     cerr << "Enter bin count: ";
-    cin >> in.bin_count;
+    in >> on.bin_count;
 
-    in.n = 0;
-    if (in.bin_count==0){
-        in.bin_count = sqrt(number_count);
-        in.n = 1;
-        if (in.bin_count > 25){
-            in.bin_count = 1 + log2(number_count);
-            in.n = 2;}}
+    on.n = 0;
+    if (on.bin_count==0){
+        on.bin_count = sqrt(number_count);
+        on.n = 1;
+        if (on.bin_count > 25){
+            on.bin_count = 1 + log2(number_count);
+            on.n = 2;}}
 
-    return in;
+    return on;
 }
 
 
@@ -46,7 +46,7 @@ input_data() {
 int main()
 {
 
-    auto in = input_data();
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
     return 0;