фиксы и и histogram_internal.h

Header.cpp

@@ -1,19 +1,5 @@
 #include "Header.h"
-Input input_data()
-{
-    Input in;
-    size_t n, korz;
-
-    cerr << "Number of elem ";
-    cin >> n;
-    in.vec.resize(n);
-    for (size_t i = 0; i < n; i++)
-        cin >> in.vec[i];
-    cerr << "Enter bin count: ";
-    cin >> in.korz;
-    return in;
-}
-void find_minmax(vector<double> vec, double& min, double& max) {
+void static find_minmax(vector<double> vec, double& min, double& max) {
     min = vec[0];
     max = vec[0];
     for (double x : vec) {

Header.h

@@ -1,10 +1,4 @@
 #include <vector>
 #include <iostream>
 using namespace std;
-struct Input {
-    vector<double> vec;
-    size_t korz{};
-};
-Input input_data();
-void find_minmax(vector<double> vec, double& min, double& max);
 vector<size_t> make_histogram(size_t number, vector<double> vec);

histogram_internal.cpp

@@ -0,0 +1,14 @@
+#include "histogram_internal.h"
+void find_minmax(vector<double> vec, double& min, double& max) {
+    min = vec[0];
+    max = vec[0];
+    for (double x : vec) {
+        if (x < min) {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+}

histogram_internal.h

@@ -0,0 +1,2 @@
+#include "Header.h"
+void find_minmax(vector<double> vec, double& min, double& max);

maincpp.cpp

@@ -1,8 +1,24 @@
 #include "Header.h"
 #include "text.h"
+struct Input {
+    vector<double> vec;
+    size_t korz{};
+};
+Input input_data() {
+    Input in;
+    size_t n, korz;
+
+    cerr << "Number of elem ";
+    cin >> n;
+    in.vec.resize(n);
+    for (size_t i = 0; i < n; i++)
+        cin >> in.vec[i];
+    cerr << "Enter bin count: ";
+    cin >> in.korz;
+    return in;
+}
 int main() {
     auto in = input_data();
     auto bins = make_histogram(in.korz, in.vec);
     show_histogram(bins);
-    
 }