2018年8月23日

莫比乌斯算法

摘要： //hdu 1695 GCD Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15816 Accepted Submission(s): 6095 阅读全文

posted @ 2018-08-23 22:23 cltt 阅读(476) 评论(0) 推荐(0)

树形 dp

摘要： // ACM训练联盟周赛 C. Teemo's tree problem There is an apple tree in Teemo's yard. It contains n nodes and n-1 branches, and the node 1 is always the root o 阅读全文

posted @ 2018-08-23 16:58 cltt 阅读(164) 评论(0) 推荐(0)

欧拉函数

摘要： // hdu 6434 ( Problem I. Count ) Problem I. Count Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s 阅读全文

posted @ 2018-08-23 11:50 cltt 阅读(261) 评论(0) 推荐(0)

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