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1 int digit_stirling(int n) 2 { 3 double PI=acos(double(-1));// PI的值=反余弦函数 -1.0为Pi, 1为0。 4 double e=exp(double(1));//e的值 5 return floor(log10(sqrt(2*P 阅读全文
posted @ 2018-02-07 18:42
euzmin
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摘要:
E. Connected Components? time limit per test 2 seconds time limit per test memory limit per test 256 megabytes memory limit per test input standard in 阅读全文
posted @ 2018-02-07 18:37
euzmin
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