From 7a1a7927c9953027694e9152c1fe43a647be7b50 Mon Sep 17 00:00:00 2001
From: GJBR <599398713@qq.com>
Date: Tue, 12 Aug 2025 09:27:50 +0000
Subject: [PATCH] =?UTF-8?q?add=20C++/TypeCastError.cpp.=20=E5=8F=8D?=
 =?UTF-8?q?=E5=BA=8Ffor=E5=BE=AA=E7=8E=AF=E9=81=8D=E5=8E=86=EF=BC=8C?=
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Signed-off-by: GJBR <599398713@qq.com>
---
 C++/TypeCastError.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 C++/TypeCastError.cpp

diff --git a/C++/TypeCastError.cpp b/C++/TypeCastError.cpp
new file mode 100644
index 0000000..0790d00
--- /dev/null
+++ b/C++/TypeCastError.cpp
@@ -0,0 +1,15 @@
+#include <vector>
+
+// 反序for循环遍历。auto推导为size_t类型，导致程序出现死循环。
+// 众所周知，size_t是无符号类型，不能小于0。
+// 解决方法：将i的类型改为int，或者使用有符号的整数类型。
+
+int main() {
+	// 反序for循环遍历
+	std::vector<int> vec = { 1, 2, 3, 4, 5 };
+	for (auto i = vec.size(); i >= 0; i--)
+	{
+		printf("i = %d\n", i);
+	}
+	return 0;
+}
\ No newline at end of file
-- 
Gitee