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题目链接:Dynamic Rankings The Company Dynamic Rankings has developed a new kind of computer that is no longer satisfied with the query like to simply find 阅读全文
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#include<bits/stdc++.h> using namespace std; template <typename T> class Singleton { public: static T * instance() { static T * instance =new T(); ret 阅读全文
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class CountIntervals { Node root; public CountIntervals() { root = new Node(1, (int)1e9); } public void add(int left, int right) { root.update(root, l 阅读全文
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源码压缩包地址 tar -zvxf gcc-11.2.0.tar.gz cd gcc-11.2.0 ./contrib/download_prerequisites mkdir build cd build/ ../configure --prefix=/home/lihc/tools/gcc-11 阅读全文