c/c++整理--引用和指針（1）

1、通常變量引用 看代碼寫輸出ios #include <iostream> using namespace std; int main() { int a = 10; int b = 20; int &rn = a; int equal; rn = b; cout<<"a = "<<a<<endl; cout<<"b = "<<b<<endl; rn = 100;

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