1 files changed, 8 insertions, 3 deletions

diff --git a/2016/src/day10.cpp b/2016/src/day10.cpp
index 7c1f4f9..851ad9d 100644
--- a/2016/src/day10.cpp
+++ b/2016/src/day10.cpp
@@ -1,3 +1,4 @@
+#include <filesystem>
 #include <fstream>
 #include <iostream>
 #include <map>
@@ -9,6 +10,8 @@ using namespace std;
 
 using Sink = tuple<string, int>;
 
+namespace {
+
 vector<string>
 split(const string& line, char sep)
 {
@@ -23,7 +26,7 @@ split(const string& line, char sep)
 }
 
 map<int, tuple<Sink, Sink, vector<int>>>
-read_file(string_view filename)
+read_file(const filesystem::path& filename)
 {
         fstream input{ filename };
 
@@ -84,16 +87,18 @@ solve(map<int, tuple<Sink, Sink, vector<int>>> bots)
 
                 // part1
                 if ( chips.at(0) == 17 && chips.at(1) == 61 ) {
-                        cout << id << endl;
+                        cout << id << '\n';
                 }
 
                 chips.clear();
         }
 
         // part2
-        cout << outputs[0] * outputs[1] * outputs[2] << endl;
+        cout << outputs[0] * outputs[1] * outputs[2] << '\n';
 }
 
+} // namespace
+
 int
 main()
 {