摘要:
Description 永无乡包含 n 座岛,编号从 1 到 n,每座岛都有自己的独一无二的重要度,按照重要度可 以将这 n 座岛排名,名次用 1 到 n 来表示。某些岛之间由巨大的桥连接,通过桥可以从一个岛 到达另一个岛。如果从岛 a 出发经过若干座(含 0 座)桥可以到达岛 b,则称岛 a 和岛 阅读全文
摘要:
Description One of the traps we will encounter in the Pyramid is located in the Large Room. A lot of small holes are drilled into the floor. They look 阅读全文
摘要:
Hamed has recently found a string t and suddenly became quite fond of it. He spent several days trying to find all occurrences of t in other strings h 阅读全文