hw2 done

include/vector.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <stddef.h>
+
+typedef struct {
+  size_t size;
+  size_t cap;
+  
+  uint64_t *data;
+} vector_t;
+
+vector_t *make_vector(size_t size);
+
+uint64_t vec_at(const vector_t *vec, size_t idx);
+vector_t *vec_push(vector_t *vec, uint64_t val);
+
+#define VEC_AT(type, vec, idx) ((type *)vec_at((vec), (idx)))
+#define VEC_PUSH(vec, val) vec = vec_push(vec, (uint64_t)val)