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operator++
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//g++ 5.4.0 #include <iostream> using namespace std; class complex { int r,i;//real,imaginary public: complex(int a,int b) //constructor for getting values { r=a; i=b; } complex() {} void display() { cout<<"no is "<<r <<" + "<<i<<" i \n"; } friend complex operator++(complex &a); friend complex operator++(complex &a,int ); }; complex operator++(complex &a)//for ++n1 { a.r=a.r+1; a.i=a.i+1; return a; } complex operator++(complex &a,int )//for n1++ { a.r=a.r+1; a.i=a.i+1; return a; } int main() { cout << "Hello, world!\n"; complex n1(1,1); n1.display(); ++n1; n1.display(); n1++; n1.display(); }
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Compilation time: 0.64 sec, absolute running time: 0.1 sec, cpu time: 0.03 sec, memory peak: 3 Mb, absolute service time: 0,75 sec
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Hello, world! no is 1 + 1 i no is 2 + 2 i no is 3 + 3 i