···cpp
#include<bits/stdc++.h>
using namespace std;
int main()
{
string s1,s2;
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";
return 0;
}
王震宇
LV 2
@ 2026-5-16 11:58:54
