From 38b5d05390d117cc77aba0a3026846bed32d75cd Mon Sep 17 00:00:00 2001
From: Hongfei Duan <1715106673@qq.com>
Date: Tue, 8 Nov 2022 11:20:26 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=201254=E7=BB=9F=E8=AE=A1?=
 =?UTF-8?q?=E5=B0=81=E9=97=AD=E5=B2=9B=E5=B1=BF=E7=9A=84=E6=95=B0=E7=9B=AE?=
 =?UTF-8?q?=20js=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/1254.统计封闭岛屿的数目.md | 56 ++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/problems/1254.统计封闭岛屿的数目.md b/problems/1254.统计封闭岛屿的数目.md
index b70cd496..1270085a 100644
--- a/problems/1254.统计封闭岛屿的数目.md
+++ b/problems/1254.统计封闭岛屿的数目.md
@@ -81,3 +81,59 @@ public:
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
 </a>
+
+### 其他语言版本
+
+### JavaScript:
+
+```js
+/**
+ * @param {number[][]} grid
+ * @return {number}
+ */
+var closedIsland = function(grid) {
+    let rows = grid.length;
+    let cols = grid[0].length;
+    // 存储四个方向
+    let dir = [[-1, 0], [0, -1], [1, 0], [0, 1]];
+    // 深度优先
+    function dfs(x, y) {
+        grid[x][y] = 1;
+        // 向四个方向遍历
+        for(let i = 0; i < 4; i++) {
+            let nextX = x + dir[i][0];
+            let nextY = y + dir[i][1];
+            // 判断是否越界
+            if (nextX < 0 || nextX >= rows || nextY < 0 || nextY >= cols) continue;
+            // 不符合条件
+            if (grid[nextX][nextY] === 1) continue;
+            // 继续递归
+            dfs(nextX, nextY);
+        }
+    }
+    // 从边界岛屿开始
+    // 从左侧和右侧出发
+    for(let i = 0; i < rows; i++) {
+        if (grid[i][0] === 0) dfs(i, 0);
+        if (grid[i][cols - 1] === 0) dfs(i, cols - 1);
+    }
+    // 从上侧和下侧出发
+    for(let j = 0; j < cols; j++) {
+        if (grid[0][j] === 0) dfs(0, j);
+        if (grid[rows - 1][j] === 0) dfs(rows - 1, j);
+    }
+    let count = 0;
+    // 排除所有与边界相连的陆地之后
+    // 依次遍历网格中的每个元素，如果遇到一个元素是陆地且状态是未访问，则遇到一个新的岛屿，将封闭岛屿的数目加 1
+    // 并访问与当前陆地连接的所有陆地
+    for(let i = 0; i < rows; i++) {
+        for(let j = 0; j < cols; j++) {
+            if (grid[i][j] === 0) {
+                count++;
+                dfs(i, j);
+            }
+        }
+    }
+    return count;
+};
+```

From 1a854c4a7e083a5b682affe7f84ccd931b74d221 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98Carl?= <sunxiuyang04@gmail.com>
Date: Mon, 21 Nov 2022 11:47:40 +0800
Subject: [PATCH 2/2] =?UTF-8?q?Update=201254.=E7=BB=9F=E8=AE=A1=E5=B0=81?=
 =?UTF-8?q?=E9=97=AD=E5=B2=9B=E5=B1=BF=E7=9A=84=E6=95=B0=E7=9B=AE.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/1254.统计封闭岛屿的数目.md | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/problems/1254.统计封闭岛屿的数目.md b/problems/1254.统计封闭岛屿的数目.md
index 1270085a..dc8fda41 100644
--- a/problems/1254.统计封闭岛屿的数目.md
+++ b/problems/1254.统计封闭岛屿的数目.md
@@ -76,13 +76,8 @@ public:
         return count;
     }
 };
-```
-<p align="center">
-<a href="https://programmercarl.com/other/kstar.html" target="_blank">
-  <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
-</a>
-
-### 其他语言版本
+``` 
+## 其他语言版本
 
 ### JavaScript:
 
@@ -137,3 +132,11 @@ var closedIsland = function(grid) {
     return count;
 };
 ```
+
+
+<p align="center">
+<a href="https://programmercarl.com/other/kstar.html" target="_blank">
+  <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
+</a>
+
+