摘要：
Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counting the segme 阅读全文
摘要：
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 71507 Accepted: 20632 Description The citizens of Bytetown, AB, could not s 阅读全文