From 03f037afebff9684e9d64283b1d8d5ec690e684a Mon Sep 17 00:00:00 2001
From: fw_qaq <fwqaaq@gmail.com>
Date: Mon, 10 Apr 2023 15:36:23 +0800
Subject: [PATCH] =?UTF-8?q?Update=200070.=E7=88=AC=E6=A5=BC=E6=A2=AF.md?=
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---
 problems/0070.爬楼梯.md | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/problems/0070.爬楼梯.md b/problems/0070.爬楼梯.md
index c46e3b46..793d3e67 100644
--- a/problems/0070.爬楼梯.md
+++ b/problems/0070.爬楼梯.md
@@ -454,19 +454,16 @@ public class Solution {
 ```rust
 impl Solution {
     pub fn climb_stairs(n: i32) -> i32 {
-        if n <= 2 {
+        if n <= 1 {
             return n;
         }
-        let mut a = 1;
-        let mut b = 2;
-        let mut f = 0;
-        for i in 2..n {
+        let (mut a, mut b, mut f) = (1, 1, 0);
+        for _ in 2..=n {
             f = a + b;
             a = b;
             b = f;
         }
-        return f;
-    }
+        f
 }
 ```