Files
LeetCode-Go/leetcode/0841.Keys-and-Rooms/841. Keys and Rooms.go
2020-08-07 17:06:53 +08:00

19 lines
383 B
Go

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)
}
}