Trees are fundamental in many branches of computer science (Pun definitely intended). Current stateof-the art parallel computers such as Thinking Mach ...
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2021-02-08 12:29:55
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Team Name（2.5） Prime Game（2.6） XOR Sums（2.7） Another Tree with Number Theory Multiple Games Cell Shell Bash Matrix Dream and the Multiverse Cut the Ca ...
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2021-02-08 12:12:42
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Suppose you have to evaluate an expression like ABCDE where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which ...
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2021-02-08 11:54:10
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Dr. Tuple is working on the new data-mining application for Advanced Commercial Merchandise Inc. One of the subroutines for this application works wit ...
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2021-02-02 11:09:22
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The computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced along w ...
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2021-02-01 12:53:22
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? A common typing error is to place the hands on the keyboard one row to the right of the correct position. So ‘Q’ is typed as ‘W’ and ‘J’ is typed as ...
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2021-02-01 12:19:45
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? Some DNA sequences exist in circular forms as in the following figure, which shows a circular sequence “CGAGTCAGCT”, that is, the last symbol “T” in ...
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2021-02-01 12:18:46
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? Trung is bored with his mathematics homeworks. He takes a piece of chalk and starts writing a sequence of consecutive integers starting with 1 to N ...
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2021-02-01 12:17:16
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对fd_set的理解，可以参考下：https://www.cnblogs.com/wuyepeng/p/9745573.html int select(int nfds, fd_set* readset, fd_set* writeset, fe_set* exceptset, struct tim ...
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2021-01-16 12:04:47
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import time flag=1 def time_out(flag): def timer(func): def inner(*arg,**kwargs): if flag: start_time=time.time() ret=func(*arg,**kwargs) end=time.tim ...
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2021-01-12 10:52:30
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