Переписал сортировку прямым выбором на c++

2 files changed, 47 insertions, 44 deletions

diff --git a/straight-selection.c b/straight-selection.c
deleted file mode 100644
index f05d098..0000000
--- a/straight-selection.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <stdio.h>
-
-void
-straight_selection(int *array, size_t size)
-{
-    for (int i = 0; i < size; ++i)
-    {
-	int k = i;
-	int x = array[i];
-	for (int j = i; j < size; ++j)
-	{
-	    if (array[j] < x)
-	    {
-		k = j;
-		x = array[j];
-	    }
-	}
-	array[k] = array[i];
-	array[i] = x;
-    }
-}
-
-void
-print_array(int *array, size_t size)
-{
-    if (size == 0) printf("array = { }\n");
-    
-    printf("array = { ");
-    for (int i = 0; i < size - 1; ++i)
-	printf("%i, ", array[i]);
-    printf("%i };\n", array[size - 1]);
-}
-
-int
-main()
-{
-    int array[] = { 2, 7, 12, 30, 11, 4, 12, 5, 20 };
-    size_t size = sizeof(array) / sizeof(*array);
-    print_array(array, size);
-    straight_selection(array, size);
-    print_array(array, size);
-
-    return 0;
-}
diff --git a/straight-selection.cpp b/straight-selection.cpp
new file mode 100644
index 0000000..ff5a7b6
--- /dev/null
+++ b/straight-selection.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <vector>
+#include <ostream>
+
+template<class T> void
+straight_selection(std::vector<T> &array)
+{
+    for (int i = 0; i < array.size(); ++i)
+    {
+        int k = i;
+        int x = array[i];
+        for (int j = i; j < array.size(); ++j)
+        {
+            if (array[j] < x)
+            {
+                k = j;
+                x = array[j];
+            }
+        }
+        array[k] = array[i];
+        array[i] = x;
+    }
+}
+
+template<class T> std::ostream &
+operator<<(std::ostream &stream, std::vector<T> &v)
+{
+    if (v.size() == 0) stream << "{ }";
+    
+    stream << "array = { ";
+    for (int i = 0; i < int(v.size()) - 1; ++i)
+        stream << v[i] << ", ";
+
+    stream << v.back() << " }";
+    return stream;
+}
+
+int
+main()
+{
+    std::vector<int> array = { 2, 7, 12, 30, 11, 4, 12, 5, 20 };
+    std::cout << array << std::endl;
+    straight_selection(array);
+    std::cout << array << std::endl;
+
+    return 0;
+}