From f3cbf4b115545e84a76730a975f4169b537cefee Mon Sep 17 00:00:00 2001
From: little camel <54983536+evpeople@users.noreply.github.com>
Date: Mon, 19 Oct 2020 00:56:59 +0800
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 projects/Data-Structures.md | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/projects/Data-Structures.md b/projects/Data-Structures.md
index 30521ea..a646f6f 100644
--- a/projects/Data-Structures.md
+++ b/projects/Data-Structures.md
@@ -4,4 +4,15 @@
 
 #### 作业一 - 简易计算器
 
-* [name1e5s](https://github.com/kuso-kodo/libexprpr) (C)
\ No newline at end of file
+* [name1e5s](https://github.com/kuso-kodo/libexprpr) (C)
+
+### 2019 级
+
+#### 作业一 - 简易计算器
+* [evpeople](https://github.com/evpeople/dateStruct) (C)
+    实现的极端测试用例
+    sin(pi+lg(100)+1.1415926)=
+    sin(pi+lg(1e2)+1.1415926)+ln(e^2)=
+    sin(pi+lg(1e2)+1.1415926)=
+    (((sin(pi+lg(1e2)+1.1415926)))+ln(e^2))=
+    同时可以进行调整输出模式，选择以科学计数法输出还是小数输出，并且能控制小数输出的位数