摘要:
Palindrome subsequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 131072/65535 K (Java/Others)Total Submission(s): 2373Accepted Submission(s):... 阅读全文
摘要:
Brackets SequenceDescriptionLet us define a regular brackets sequence in the following way:1. Empty sequence is a regular sequence.2. If S is a regula... 阅读全文