C++引用的使用
2016-04-07 12:13
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#include <iostream> using namespace std; void swapValue(int &x, int &y) { int temp; temp = x; x = y; y = temp; } int main() { int v1 = 3; int v2 = 6; cout << v1 << " " << v2 << endl; swapValue(v1, v2); cout << v1 << " " << v2 << endl; return 0; }