code: поиск максимума\минимума выведен в отдельную функцию

main.cpp

@@ -24,13 +24,11 @@ input_data(){
     cin >> in.bin_count;
     return in;
 }
-
-int
-main() {
-    Input in = input_data();
-    auto min = in.numbers[0];
-    auto max = in.numbers[0];
-    for (auto x : in.numbers) {
+static void
+find_minmax(const std::vector<double>& numbers, double& min, double& max){
+    min = numbers[0];
+    max = numbers[0];
+    for (auto x : numbers) {
         if (x < min) {
             min = x;
         }
@@ -38,12 +36,19 @@ main() {
             max = x;
         }
     }
+}
+int
+main() {
+    size_t i, j;
+    double min, max;
+    Input in = input_data();
+    find_minmax (in.numbers, min, max);
     double bin_size = (max - min) / in.bin_count;
     vector<size_t> bins(in.bin_count);
-    for (auto i = 0; i < in.number_count; i++) {
+    for (auto x : in.numbers) {
         bool found = false;
-        for (auto j = 0; (j < in.bin_count - 1) && !found ; j++) {
-            if ((min + j * bin_size <= in.numbers[i]) && (in.numbers[i] < min + (j + 1) * bin_size)) {
+        for (j = 0; (j < (in.bin_count - 1) && !found); j++) {
+            if (min + j * bin_size <= x && (x < min + (j + 1) * bin_size)) {
                 bins[j] += 1;
                 found = true;
             }