From e419a5f90815cf233a6e91ea51c7c23c005e4d22 Mon Sep 17 00:00:00 2001
From: xsduan98 <xsduan1998@163.com>
Date: Thu, 26 Aug 2021 10:29:54 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC51=E9=A2=98.N=E7=9A=87=E5=90=8E=20?=
 =?UTF-8?q?=E4=BF=AE=E6=94=B9Java=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0051.N皇后.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/problems/0051.N皇后.md b/problems/0051.N皇后.md
index 5404b620..9cc84cf8 100644
--- a/problems/0051.N皇后.md
+++ b/problems/0051.N皇后.md
@@ -332,7 +332,7 @@ class Solution {
 
     public boolean isValid(int row, int col, int n, char[][] chessboard) {
         // 检查列
-        for (int i=0; i<n; ++i) {
+        for (int i=0; i<row; ++i) { // 相当于剪枝
             if (chessboard[i][col] == 'Q') {
                 return false;
             }