Update 07A-pointer-essentials.md

owollz4 · owollz4 · commit 76c6b9f12df6 · 2026-07-20T20:32:31.000+08:00
diff --git a/documents/vol1-fundamentals/c_tutorials/07A-pointer-essentials.md b/documents/vol1-fundamentals/c_tutorials/07A-pointer-essentials.md
@@ -307,7 +307,7 @@ int main(void) {
 void print_int_array(const int* data, size_t count);
 ```
 
-### 练习 1 参考答案
+### 练习 2 参考答案
 
 ```c
 #include <stdio.h>
