hi 我是颠佬

#include <iostream>

using namespace std;
string s1,s2;

int t=0;
int main()
{
cin>>s1>>s2;

if(s1.find(s2)!=-1)
{
cout<<s2<<" is substring of "<<s1;
}
else if(s2.find(s1)!=-1)

 {

cout<<s1<<" is substring of "<<s2;
}
else
{

cout<<"No substring";//////嗨 我是颠佬 你也是颠佬
}
return 0;
}