more header files

K20shores · Dec 17, 2023 · cd9cd6c · cd9cd6c
1 parent 19a7a91
commit cd9cd6c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/day11.cpp b/src/day11.cpp
@@ -6,6 +6,7 @@
 #include <iostream>
 #include <string>
 #include <vector>
+#include <cmath>
 
 struct Data {
   std::vector<std::string> lines;