Start 2022-08-03 14:15:00

202207D1-2

End 2022-08-06 18:00:00
Contest is over.
Now 2025-12-15 18:17:05
看不懂

H题里“在所有生成树中，最大边与最小边的最小边权差”是什么意思呀？

201902tjc  •  3年前

The contest has ended.