From edc3ba9d616300cfe737e79791baaa1e1923ae5e Mon Sep 17 00:00:00 2001
From: hnu202326010302 <1677625723@qq.com>
Date: Fri, 26 Sep 2025 19:40:25 +0800
Subject: [PATCH] ADD file via upload

---
 src/Makeproblem.java | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 src/Makeproblem.java

diff --git a/src/Makeproblem.java b/src/Makeproblem.java
new file mode 100644
index 0000000..01680a5
--- /dev/null
+++ b/src/Makeproblem.java
@@ -0,0 +1,6 @@
+public interface Makeproblem {
+    String generateSmartExpression();
+    String buildExpression(int a,int b);
+    String generateSimpleExpression(int a);
+    char getRandomOperator(String str);
+}