//编译成功#include <iostream>using namespace std;int func(){}int _tmain(int argc, _TCHAR* argv[]){　　return 0;}//编译失败#include <iostream>using namespace std;int func(){}int _tmain(int argc, _TCHAR* argv[]){　　func();　　return 0;}//编译成功，运行结果是1864255260#include <iostream>using namespace std;int func(int i){　　if(i > 5)　　　　return i;}int _tmain(int argc, _TCHAR* argv[]){　　cout<<func(1)<<endl;　　return 0;}