摘要:
Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater locate 阅读全文
摘要:
Brackets Sequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 35049 Accepted: 10139 Special Judge Description Let us define a regular b 阅读全文