init commit

contests/6contest/5.cpp

@@ -0,0 +1,19 @@
+#include <iterator>
+#include <functional>
+
+template <typename ForwardIt, typename Compare = std::less<>>
+void selection_sort(ForwardIt first, ForwardIt last, Compare comp = Compare()) {
+    for (auto fit = first; fit != last; ++fit) {
+        auto min_it = fit;
+
+        for (auto sit = std::next(fit); sit != last; ++sit) {
+            if (comp(*sit, *min_it)) {
+                min_it = sit;
+            }
+        }
+
+        std::swap(*fit, *min_it);
+    }
+
+    return;
+}