题意: 给出两个串,串中的数字i 代表编号为i的火车进入车站的顺序,车站如桟一样,先进后出.第二个串是火车出站的顺序,问若按照第一个串那样进站,是否有可能如第二个串一样的出站顺序?火车顶多9辆,即1-9. 思路: 用桟模拟,每进入一辆火车就加到桟顶,判断第二个串中开头是否是此车,若是,两者都删掉,若不是,继续添加火车进桟,继续判断.直到判断匹配了,将桟顶出桟,串头删除,继续匹配桟顶和串头,直到不匹配了,继续进桟.这样一直反复,直到最后,桟中一定为空,第二个串也一定为空.以此判断是否符合条件. #…

A - Train Problem I Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1022 Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=1212 Train Problem II Description As we all know the Train Problem I, the boss of the Ignatius Train Station want to know if all the trains come in strict-increasing order, how many orders that all the t…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 41471    Accepted Submission(s): 15510 Problem Description As the new term comes, the Ignatius Train Station is very busy nowaday…

传送门:http://acm.hdu.edu.cn/showproblem.php?pid=1022 Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45375    Accepted Submission(s): 16966 Problem Description As the new term come…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 51413    Accepted Submission(s): 19341 Problem Description As the new term comes, the Ignatius Train Station is very busy nowaday…

Train Problem I Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^).…

Train Problem II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4358    Accepted Submission(s): 2391 Problem Description As we all know the Train Problem I, the boss of the Ignatius Train Stati…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 20521    Accepted Submission(s): 7712 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18095    Accepted Submission(s): 6764 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays.…