a625alia.cpp
来自「quarto esempi vari per c++ (schemi base)」· C++ 代码 · 共 22 行
CPP
22 行
// nuovi concetti: riferimento indipendente
#include <iostream>
using namespace std;
int main() {
int n = 33;
int& r = n; // r e' adesso un alias di n
cout << "n = " << n << ", r = " << r << endl;
--n;
cout << "n = " << n << ", r = " << r << endl;
r *= 2;
cout << "n = " << n << ", r = " << r << endl;
}
/* Output:
n = 33, r = 33
n = 32, r = 32
n = 64, r = 64
*/
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