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PAT 甲级 1010 Radix
https://pintia.cn/problem-sets/994805342720868352/problems/994805507225665536 Given a pair of positive integers, for example, 6 and 110, can this equa ...
分类:其他好文   时间:2019-02-03 21:01:13    阅读次数:126
PAT A1063——set的常见用法详解
1063 Set Similarity Given two sets of integers, the similarity of the sets is defined to be N?c??/N?t??×100%, where N?c?? is the number of distinct co ...
分类:其他好文   时间:2019-02-02 14:36:12    阅读次数:163
PAT 甲级 1137 Final Grading
https://pintia.cn/problem-sets/994805342720868352/problems/994805345401028608 For a student taking the online course "Data Structures" on China Univer ...
分类:其他好文   时间:2019-02-01 14:18:34    阅读次数:185
PAT 甲级 1143 Lowest Common Ancestor
https://pintia.cn/problem-sets/994805342720868352/problems/994805343727501312 The lowest common ancestor (LCA) of two nodes U and V in a tree is the d ...
分类:其他好文   时间:2019-01-30 11:04:48    阅读次数:109
Lavavel5.5源代码 - RedisQueue是怎么实现
队列的基本功能: 1、立即执行;yes 2、延迟执行;yes 3、保证至少执行一次;yes 4、必须执行且最多执行一次;no 用到的数据结构: list、Sorted sets 延迟执行的机制: 1、先把数据放入SortedSets类型的queues:queue_000:delayed中 2、在执行 ...
分类:其他好文   时间:2019-01-29 20:25:08    阅读次数:117
PAT 甲级 1150 Travelling Salesman Problem
https://pintia.cn/problem-sets/994805342720868352/problems/1038430013544464384 The "travelling salesman problem" asks the following question: "Given a ...
分类:其他好文   时间:2019-01-29 13:58:38    阅读次数:118
PAT 甲级 1154 Vertex Coloring
https://pintia.cn/problem-sets/994805342720868352/problems/1071785301894295552 A proper vertex coloring is a labeling of the graph's vertices with col ...
分类:其他好文   时间:2019-01-29 11:55:23    阅读次数:290
PAT 甲级 1155 Heap Paths
https://pintia.cn/problem-sets/994805342720868352/problems/1071785408849047552 In computer science, a heap is a specialized tree-based data structure ...
分类:其他好文   时间:2019-01-28 12:15:11    阅读次数:218
1063 Set Similarity (25 分)
1063 Set Similarity (25 分) Given two sets of integers, the similarity of the sets is defined to be N?c??/N?t??×100%, where N?c?? is the number of dist ...
分类:其他好文   时间:2019-01-28 01:17:42    阅读次数:126
Lavavel5.5源代码 - RedisQueue是怎么实现
队列的基本功能: 1、立即执行;yes 2、延迟执行;yes 3、保证至少执行一次;yes 4、必须执行且最多执行一次;no 用到的数据结构: list、Sorted sets 延迟执行的机制: 1、先把数据放入SortedSets类型的queues:queue_000:delayed中 2、在执行 ...
分类:其他好文   时间:2019-01-25 23:52:44    阅读次数:307
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