传送门 【思路分析】 这道题是一道双连通分量的板子题,我们只需要套个双联通分量,在用并查集判断连通性。 如果两个点连通且不在一个双连通分量里,那么就只存在唯一路径,否则存在多条(值得注意的是如果一个双连通分量只有两个点,那么就GG了,要排除这种情况)。 【代码实现】 ...
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其他好文 时间:
2018-06-15 23:30:40
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281
Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irrever ...
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其他好文 时间:
2018-06-15 21:40:29
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152
mysql> UPDATE financial_sales_order SET ASSIGN_TIME = '2018-05-02 00:00:00' where CUSTOMER_ID=3541535;ERROR 1292 (22007): Truncated incorrect DOUBLE v ...
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其他好文 时间:
2018-06-04 19:21:01
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579
72-Financial Management 内存限制:64MB 时间限制:3000ms 特判: No 通过数:7 提交数:12 难度:1 题目描述: Larry graduated this year and finally has a job. He's making a lot of mon ...
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其他好文 时间:
2018-05-30 17:37:48
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192
CEO:Chief Executive Officer 首席执行官——类似总经理、总裁,是企业的法人代表 COO:Chief Operating Officer 首席营运官——类似常务总经理 CFO: Chief Financial Officier 首席财务官——类似财务总经理 CTO: Chie ...
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其他好文 时间:
2018-05-22 13:06:39
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Piggy-Bank Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes f ...
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其他好文 时间:
2018-04-18 10:30:14
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182
1.英文词频统 for c in sep: news = news.replace(c,' ') 2.中文词频统计 ...
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其他好文 时间:
2018-03-29 00:09:02
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162
Description Larry graduated this year and finally has a job. He's making a lot of money, but somehow never seems to have enough. Larry has decided tha ...
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其他好文 时间:
2018-02-07 22:43:25
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200
find yrself doing financial matters buck for sth buck=dollar=cash buck up buck sth buck the trend buck=deer(male) vague ; versus; barter economy; subd ...
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其他好文 时间:
2017-12-26 00:49:37
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205
Application received signal SIGSEGV (null) (( 0 CoreFoundation 0x0000000181037d50 <redacted> + 148 1 libobjc.A.dylib 0x000000018054c528 objc_exception ...
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移动开发 时间:
2017-12-04 16:00:45
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177