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链接：https://ac.nowcoder.com/acm/contest/897/J 来源：牛客网 Binary Number 时间限制：C/C++ 1秒，其他语言2秒 空间限制：C/C++ 32768K，其他语言65536K 64bit IO Format: %lld 题目描述 As a pr 阅读全文
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Jim has a balance and N weights. (1≤N≤20) The balance can only tell whether things on different side are the same weight. Weights can be put on left s 阅读全文
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Kiki likes traveling. One day she finds a magic lamp, unfortunately the genie in the lamp is not so kind. Kiki must answer a question, and then the ge 阅读全文
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Summer again! Flynn is ready for another tour around. Since the tour would take three or more days, it is important to find a hotel that meets for a r 阅读全文
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YaoYao has a company and he wants to employ m people recently. Since his company is so famous, there are n people coming for the interview. However, Y 阅读全文
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``` cpp int a[maxn];//原始输入数组 int st[maxn][25];//st表 void init(int n) { for (int i = 0; i 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/881/E 来源：牛客网 ABBA 时间限制：C/C++ 2秒，其他语言4秒 空间限制：C/C++ 524288K，其他语言1048576K 64bit IO Format: %lld 题目描述 Bobo has a st 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/881/B 来源：牛客网 Integration 时间限制：C/C++ 2秒，其他语言4秒 空间限制：C/C++ 524288K，其他语言1048576K 64bit IO Format: %lld 题目描述 Bobo k 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/881/A 来源：牛客网 Equivalent Prefixes 时间限制：C/C++ 2秒，其他语言4秒 空间限制：C/C++ 524288K，其他语言1048576K 64bit IO Format: %lld 题目描 阅读全文
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``` cpp const double eps = 1e-6; int sgn(double x) { if(fabs(x) operator &(const Line &b)const { Point res = s; if(sgn((s-e)^(b.s-b.e)) == 0) { if(sgn((s-b... 阅读全文