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#TitleSolutionAcceptanceDifficulty备注 2 Add Two Numbers 34.7% Medium 无聊 3 Longest Substring Without Repeating Characters 30.9% Medium pass 5 Longest Pa 阅读全文
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struct Registry::Manager { // map storing the functions. // We delibrately used raw pointer // This is because PackedFunc can contain callbacks into t 阅读全文
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#include <iostream> #include <stdio.h> using std::cout; using std::endl; class A{ public: A(int a):r(a){printf("A::r %p\n", &r);} int & r; }; int main 阅读全文