随笔分类 - 图论-二分图相关
摘要:题目传送门 传送门I 传送门II 题目大意 双栈排序,问最小字典序操作序列。 题目传送门 传送门I 传送门II 题目大意 双栈排序,问最小字典序操作序列。 不能发现两个数$a_{j}, a_{k}\ \ (j < k)$不能放在同一个栈的充分必要条件时存在一个$i$使得$j < k < i$且$a_
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摘要:Consider a town where all the streets are one-way and each street leads from one intersection to another. It is also known that starting from an inter
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摘要:Description Boudreaux and Thibodeaux are student volunteers for this year's ACM South Central Region's programming contest. One of their duties is to
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摘要:Description Farmer John completed his new barn just last week, complete with all the latest milking technology. Unfortunately, due to engineering prob
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