给两个串第一个串是翻译表(密文可以通过翻译表翻译成明文),第二个串是由密文+明文组成,前面是密文(完整的),后面是明文(未必完整),问能不能把第二个串补全,输出最短的一种可能. 一开始 用的string   和每次更新字符进行getnext 妥妥的 超时   kmp最好不要用string  速度太慢了 参考了 kuangbin的做法: 以s为原串做一次扩展KMP,得到extend数组,extend[i]表示原串以第i开始与模式串的前缀的最长匹配.经过O(n)的枚举,我们可以得到,若extend[…

Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3433    Accepted Submission(s): 1334 Problem Description Clairewd is a member of FBI. After several years concealing in BUPT, s…

Clairewd’s message 题意:先一个转换表S,表示第i个拉丁字母转换为s[i],即a -> s[1];(a为明文,s[i]为密文).之后给你一串长度为n<= 100000的前面为密文后面为明文的串:让你通过密码转换表S在这个串的后面添加字符,使得前面的密文翻译成明文之后与后面相对应,最后输出添加字符后的串(前面密文照常输出): Sample Input 2 abcdefghijklmnopqrstuvwxyz abcdab qwertyuiopasdfghjklzxcvbnm q…

http://acm.hdu.edu.cn/showproblem.php?pid=4300 很难懂题意.... Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2839    Accepted Submission(s): 1096 Problem Description Clairewd is…

Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9512    Accepted Submission(s): 3458 Problem Description Clairewd is a member of FBI. After several years concealing in BUPT, s…

http://acm.hdu.edu.cn/showproblem.php?pid=4300 Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4411    Accepted Submission(s): 1676 Problem Description Clairewd is a member of…

地址:http://acm.hdu.edu.cn/showproblem.php?pid=4300 题目: Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6347    Accepted Submission(s): 2381 Problem Description Clairewd is a me…

Clairewd’s message Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10376    Accepted Submission(s): 3709 Problem Description Clairewd is a member of FBI. After several years concealing in BUPT,…

Clairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages and she was preparing for sending it to ykwd. They had agreed that each letter of these messages would be transfered to another one according…

Problem Description Clairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages and she was preparing for sending it to ykwd. They had agreed that each letter of these messages would be transfered to a…