题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1042 栈的模拟,题目大意是已知元素次序, 判断出栈次序是否合理. 需要考虑到各种情况, 分类处理. 常见错误:使用前未清空栈 使用STL思路较为清晰 代码附上, 欢迎各位大神指点~~ #include <cstdio> #include <stack> #include <iostream> #include <vector> using namespace s…

http://acm.hdu.edu.cn/showproblem.php?pid=1022 #include<iostream> #include<stdio.h> #include<math.h> #include<string.h> #include<stdlib.h> #include<stack> using namespace std; ; int main() { //freopen("in.txt"…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1022 题目大意: 车的进出站问题,先给出N个火车,再按序列一的方式进站,判断能否以序列二的方式出站,若能先输出"Yes.",再输出出站步骤,以FINISH结束,若不能,输出"No.",仍以FINISH结束. 思路: 直接模拟栈,注意细节! #include<iostream> #include<cstdio> #include<cstrin…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 42031    Accepted Submission(s): 15731 Problem Description As the new term comes, the Ignatius Train Station is very busy nowaday…

题意: 给你一个数n,表示有n辆火车,编号从1到n,入站,问你有多少种出站的可能.    (题于文末) 知识点: ps:百度百科的卡特兰数讲的不错,注意看其参考的博客. 卡特兰数(Catalan):前几项为 : 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670- 令h(0)=1,h(1)=1,catalan数满足递推式:      h(n)= h(0…

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…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 25029    Accepted Submission(s): 9445 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays…

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…

本题主要是出栈入栈顺序的问题 Home Problems My Status Standing <->           1022. Train Problem     Total: 2206 Accepted: 703                 Time Limit: 1sec    Memory Limit:256MB Description As the new term comes, the Ignatius Train Station is very busy nowaday…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25773    Accepted Submission(s): 9729 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays.…