LeetCode1466. Reorder Routes to Make All Paths Lead to the City Zero

[Med] LeetCode 1466. Reorder Routes to Make All Paths Lead to the City Zero 連接: https://leetcode.com/problems/reorder-routes-to-make-all-paths-lead-to-the-city-zero/java 題目描述： There are n cities numbe

>>阅读原文<<