feat: solve new question

Author: arwildo

flood-fill/main.js

@@ -0,0 +1,26 @@
+/**
+ * @param {number[][]} image
+ * @param {number} sr
+ * @param {number} sc
+ * @param {number} color
+ * @return {number[][]}
+ */
+var floodFill = function(image, sr, sc, color) {
+    let current_color = image[sr][sc];
+    let height = image.length;
+    let width = image[0].length;
+
+    function dfs(sr, sc) {
+        if (sr >= 0 && sr < height && sc >= 0 && sc < width && image[sr][sc] == current_color && image[sr][sc] != color) {
+            image[sr][sc] = color;
+            dfs(sr+1, sc);
+            dfs(sr-1, sc);
+            dfs(sr, sc+1);
+            dfs(sr, sc-1);
+        }
+    }
+
+    dfs(sr, sc);
+    return image;
+};
+