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RSS订阅原创 Codeforces 449C - Jzzhu and Apples / 450E - Jzzhu and Apples
先是官方题解：Firstly, we should notice that 1 and the primes larger thanN / 2 can not be matched anyway, so we ignore these numbers.Let's consider each prime P where 2 P ≤ N / 2. For each prime P, w
2014-07-23 11:52:13
796
原创 Codeforces 449B - Jzzhu and Cities / 450D - Jzzhu and Cities
官方题解如下：We consider a train route (1, v) as an undirected deletable edge(1, v).Let dist(u) be the shortest path between1 and u. We add all of the edges(u, v) weighted w where dist(u) + w
2014-07-20 13:51:17
891
原创 poj1704 Georgia and Bob
Georgia and Bob decide to play a self-invented game. They draw a row of grids on paper, number the grids from left to right by 1, 2, 3, ..., and place N chessmen on different grids, as shown in the fo
2014-05-21 19:34:30
996
C语言实现TCP/IP协议通信和UDP协议通信（代码+报告）
2015-07-27
shell命令解释器C语言实现（代码+实验报告）
2015-07-27
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