1. 再谈队列 队列和栈不同,队列是一种先进先出的数据结构,STL的队列内容极其重要,虽然内容较少但是请务必掌握,STL的队列是快速构建搜索算法以及相关的数论图论的状态存储的基础。 概念:Queue是一种先进先出(First In First Out,FIFO)的数据结构,它有两个出口。 队列容器允许从一端新增元素,从另一端移除元素。队列中只有队头和队尾才可以被外界使用,因此队列不允许有遍历
临时处理办法: delete from aq$_ss_MT_tab_D;delete from aq$_ss_MT_tab_g;delete from aq$_ss_MT_tab_h;delete from aq$_ss_MT_tab_i;delete from aq$_ss_MT_tab_p;delete from aq$_ss_MT_tab_s;delete from aq$
比如 tbb::concurrent_set is a class template that represents an unordered sequence of unique elements. It supports concurrent insertion, lookup and traversal, but does not support concurrent erasure.
原题链接 You are given a string s and an integer k. You can choose one of the first k letters of s and append it at the end of the string. Return the lexicographically smallest string you could have aft