Stay Hungry,Stay Foolish!

摘要: E - Road Reduction https://atcoder.jp/contests/abc252/tasks/abc252_e 思路 https://www.cnblogs.com/zengzk/p/16296821.html 一眼最短路树,跑遍dijkstra就行了。 分析: 要求从某个 阅读全文
posted @ 2022-06-01 09:55 lightsong 阅读(99) 评论(0) 推荐(0)
千山鸟飞绝,万径人踪灭