阅读下列程序,写出运行结果:
#include<iostream> using namespace std; int main() { int a = 0, b = 1; switch( a ) { case 0: switch( b ) { case 0 : cout<<"a="<<a<<" b="<<b<<endl; break; case 1 : cout<<"a="<<a<<" b="<<b<<endl; break; } case 1: a++; b++; cout<<"a="<<a<<" b="<<b<<endl; } }
a= 0 b= 1
a= 1 b= 2