add aoc 2022

1 files changed, 18 insertions, 0 deletions

diff --git a/advent-of-code/2022/lib/pque.h b/advent-of-code/2022/lib/pque.h
new file mode 100644
index 0000000..0d86560
--- /dev/null
+++ b/advent-of-code/2022/lib/pque.h
@@ -0,0 +1,18 @@
+#ifndef PQUEUE_H_
+#define PQUEUE_H_
+
+typedef struct {
+    void *buf;
+    int elemsz;
+    int cap;
+    int size;
+    int (*cmp)(void*, void*);
+} PQue;
+
+void pq_init(PQue *pq, int cap, int elemsz, int (*cmp)(void*, void*));
+void pq_push(PQue *pq, void *elem);
+void pq_pop(PQue *pq);
+void* pq_top();
+
+#endif
+