1 files changed, 20 insertions, 2 deletions
diff --git a/src/2022/day25/aoc.h b/src/2022/day25/aoc.h
index ab55efd..e24291a 100644
--- a/src/2022/day25/aoc.h
+++ b/src/2022/day25/aoc.h
@@ -1,7 +1,25 @@
 #include "common.h"
+#include "stdint.h"
 #include <vector>
 
 namespace aoc2022 {
 
-std::pair<int, int> day25(line_view);
-}
+struct snafu {
+  char* digits = nullptr;
+  size_t length = 0;
+
+  void print() const noexcept {
+    for (size_t i = 0; i < length; i++) {
+      printf("%c", *(digits + i));
+    }
+  }
+
+  snafu(line_view lv) {
+    length = lv.length - 1;
+    digits = (char*)malloc(length);
+    memcpy(digits, lv.line, length);
+  }
+};
+
+std::pair<int64_t, int64_t> day25(line_view);
+} // namespace aoc2022