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打了FFT 感觉以后多项式不虚了 ~滑稽~ PS 关于详见没写完.... code c++ include include include include // pi = 3.14; inline int read() { int x = 0,f = 1 ; char c = getchar(); 阅读全文
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题目链接 "cogs 2554. [福利]可持久化线段树" 题解 没有 代码 c++ include include include inline int read () { int x = 0,f = 1; char c = getchar(); while(c '9'){if(c==' ')f= 阅读全文
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As you see c++ // luogu judger enable o2 include include include inline int read () { int x = 0,f = 1; char c = getchar(); while(c '9'){if(c==' ')f= 1 阅读全文
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题目链接 "bzoj1926: [Sdoi2010]粟粟的书架" 题解 看数据范围,发现这是两道题......0.5倍经验 对于R,C include include using std::max; int R,C,m; inline int read () { int x = 0,f = 1; c 阅读全文
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题目链接 "bzoj 1923: [Sdoi2010]外星千足虫" 题解 高斯消元解xor方程 代码 c++ include include include include using std::max; using std::min; using std::bitset; inline int r 阅读全文