随笔分类 - C++
摘要：//Fraction.h #pragma once #include <iostream> #include <string> using namespace std; int& __gcd(int&, int&); class Fraction { public: explicit Fractio
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摘要：//string.h #pragma once class String { public: String(const char* cstr = 0); String(const String& str); ~String(); String& operator = (const String& s
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摘要：//complex.h #ifndef __MYCOMPLEX_H__ #define __MYCOMPLEX_H__ class complex; complex& __doapl(complex*, const complex&); //友元可以在类外声明 complex& __doami(co
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