1 files changed, 3 insertions, 4 deletions

diff --git a/src/day12.cpp b/src/day12.cpp
index 31a2739..b01b2fb 100644
--- a/src/day12.cpp
+++ b/src/day12.cpp
@@ -104,10 +104,8 @@ brute_force(string_view puzzle, const vector<long>& nums)
 }
 
 void
-part1()
+part1(const vector<string>& input)
 {
-        const auto input = read_file("data/day12.txt");
-
         auto sum = 0L;
         for ( const auto& line: input ) {
                 auto parts  = split(line, ' ');
@@ -122,5 +120,6 @@ part1()
 int
 main()
 {
-        part1();
+        const auto input = read_file("data/day12.txt");
+        part1(input);
 }