题解 2861: 验证子串

解题思路:

注意事项:

参考代码:

#include <bits/stdc++.h>

using namespace std;

int main()

{

string s,s1;

cin>>s>>s1;

if(s1.find(s)!=-1)

{

cout<<s<<" is substring of "<<s1;

return 0;

}

if(s.find(s1)!=-1)

{

cout<<s1<<" is substring of "<<s;

return 0;

}

else if(s.find(s1)==-1)

{

cout<<"No substring";

return 0;

}

    return 0;

}