OTTFF的博客

C. 24 Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little X used to play a card game called "24 Game", but rec

1674: K swap operation Time Limit: 1 Sec  Memory Limit: 128 MB  Special Judge Submit: 10  Solved: 9 [Submit][Status][Web Board] Description 最近Mr.Q想要只通过一种操作来对序列进行升序排序，该操作是“交换相邻的两个数”，聪明的Mr.

Regionals 2015 >> Asia - Shanghai 7401 - Binary Tree Time limit: 3.000 seconds The Old Frog King lives on the root of an infinite tree. According to the law, each node should connect to ex