aoc 2024, day 19, alternative Lösung

1 files changed, 2 insertions, 5 deletions

diff --git a/2024/src/day19.cpp b/2024/src/day19.cpp
index 43995b1..c114d2a 100644
--- a/2024/src/day19.cpp
+++ b/2024/src/day19.cpp
@@ -92,11 +92,8 @@ part2(const tuple<set<string>, vector<string>>& data)
 
                 long counter = 0;
                 for ( size_t i = 0; i != line.size(); ++i ) {
-                        auto lhs = line.substr(0, i + 1);
-                        auto rhs = line.substr(i + 1);
-
-                        if ( parts.contains(lhs) ) {
-                                counter += match(rhs);
+                        if ( parts.contains(line.substr(0, i + 1)) ) {
+                                counter += match(line.substr(i + 1));
                         }
                 }