From 4e363b0999f49672d839136eb611109195bc733a Mon Sep 17 00:00:00 2001
From: rl544 <111494264+rl544@users.noreply.github.com>
Date: Sat, 21 Jan 2023 14:50:54 +0900
Subject: [PATCH] =?UTF-8?q?updated=20at=202023.=201.=2021.=20=EC=98=A4?=
 =?UTF-8?q?=ED=9B=84=202:50:54?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 programmers/2 x n 타일링/solution.java | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/programmers/2 x n 타일링/solution.java b/programmers/2 x n 타일링/solution.java
index edb571e..d94ecef 100644
--- a/programmers/2 x n 타일링/solution.java	
+++ b/programmers/2 x n 타일링/solution.java	
@@ -5,9 +5,8 @@ class Solution {
         int[] ans = new int[n+1];
         for(int a = 0; a <= n; a++){
             int tmp = 0;
-            if(a == 0) tmp = 1;
-            if(a >= 1) tmp += ans[a-1];
-            if(a >= 2) tmp += ans[a-2];
+            if(a <= 1) tmp = 1;
+            if(a >= 2) tmp += ans[a-2]+ans[a-1];
             ans[a] = tmp%1000000007;
         }
         return ans[n];