如下程序的输出是什么____#include using namespace std;double division(int a, int b){ if( b == 0 ) { throw "Division by zero"; } return (a/b);} int main (){ int x = 50; int y = 0; double z = 0; try { z = division(x, y); cout << z << endl; }catch (const char* msg) { cerr << msg << endl; } return 0;}