规范格式

leetcode/0841.Keys-and-Rooms/841. Keys and Rooms.go

@@ -0,0 +1,18 @@
+package leetcode
+
+func canVisitAllRooms(rooms [][]int) bool {
+	visited := make(map[int]bool)
+	visited[0] = true
+	dfsVisitAllRooms(rooms, visited, 0)
+	return len(rooms) == len(visited)
+}
+
+func dfsVisitAllRooms(es [][]int, visited map[int]bool, from int) {
+	for _, to := range es[from] {
+		if visited[to] {
+			continue
+		}
+		visited[to] = true
+		dfsVisitAllRooms(es, visited, to)
+	}
+}