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diff --git a/1/3.c b/1/11945.c
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diff --git a/1/4.c b/1/11946.c
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diff --git a/1/5.c b/1/11947.c
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diff --git a/1/6.c b/1/12625.c
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diff --git a/1/7.c b/1/12626.c
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diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1 +1,5 @@
 # 2023春程序设计基础(吴茜媛)-Moodle
+
+## 文件名字的数字是题目的唯一 ID
+查看方式：
+![1679279596411.png](https://picture-1300689095.file.myqcloud.com/2023/03/20/6417c5f41624f.png)
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