Merge pull request youngyangyang04#657 from xsduan98/master

youngyangyang04 · web-flow · commit dd261c09ab29 · 2021-08-26T15:25:52.000+08:00
第51题.N皇后 修改Java代码
diff --git a/problems/0051.N皇后.md b/problems/0051.N皇后.md
@@ -341,7 +341,7 @@ 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;
             }

Original file line number	Diff line number	Diff line change
`@@ -341,7 +341,7 @@ class Solution {`
`341`	`341`
`342`	`342`	`public boolean isValid(int row, int col, int n, char[][] chessboard) {`
`343`	`343`	`// 检查列`
`344`		`- for (int i=0; i<n; ++i) {`
	`344`	`+ for (int i=0; i<row; ++i) { // 相当于剪枝`
`345`	`345`	`if (chessboard[i][col] == 'Q') {`
`346`	`346`	`return false;`
`347`	`347`	`}`