From d88bb42e5d087b175d9051982b40979453393ca2 Mon Sep 17 00:00:00 2001
From: YuJian <zhonghao@jobcn.com>
Date: Mon, 30 May 2022 15:37:17 +0800
Subject: [PATCH] =?UTF-8?q?=E9=80=92=E5=BD=92=E5=B1=82=E7=BA=A7=E9=99=90?=
 =?UTF-8?q?=E5=88=B6?=
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---
 Dynamic programming/Fibonacci_Recursion.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Dynamic programming/Fibonacci_Recursion.ts b/Dynamic programming/Fibonacci_Recursion.ts
index cac027e..6fefb42 100644
--- a/Dynamic programming/Fibonacci_Recursion.ts	
+++ b/Dynamic programming/Fibonacci_Recursion.ts	
@@ -1,7 +1,11 @@
+let ve = 0;
 const Fibonacci_Recursion = (n: number): number => {
   if (n <= 0) return 0;
   if (n === 1) return n;
 
+  ++ve;
+  if (ve >= 2000) throw new Error(`层级过深: ${ve}`);
+
   return Fibonacci_Recursion(n - 1) + Fibonacci_Recursion(n - 2);
 };