Added auctex and yasnippets

.emacs.d/snippets/c++-mode/fne

@@ -0,0 +1,10 @@
+# -*- mode: snippet -*-
+# name: find_end
+# key: fne
+# --
+auto pos = std::find_std::end(std::begin(${1:container}), std::end($1),
+  std::begin($2), std::end($3));
+if (pos != std::end($1)) {
+  $4
+}
+$0