火车车厢重排

使用栈最少 （c++ 栈）

题目：一列货运列车共有n节车厢，每节车厢将停放在不同的车站，假定n个车站的编号分别为1—n,货运列车按照第n站至第1站的次序经过这些车站，车厢的编号与他们的目的地相同。为了便于从列车上卸下相应的车厢，必须重新排列车厢，使各车厢从前至后都按照编号1到n的次序排列，当所有的车厢都

按照这种次序排列时，在每个车站只需卸掉最后一节车厢即可。-Rearrangement train for at least the use of the stack (c++ stack) subject: a total of n freight train cars, each car will be parked at different stations, it is assumed that the number of stations n are 1-n, in accordance with paragraph n freight train station to Station No. 1, after the order of these stations, car number and the same as their destination. In order to facilitate unloading from the train on the train, we must rearrange the compartments, so that after the train to the former No. 1 in accordance with the order n, when all the compartments in accordance with this order, the only station in each removed the last one can train.