#include<bits/stdc++.h>
using namespace std;
string s,a,b,ans;
int x=1,ss;
int main()
{
ios::sync_with_stdio(false);
//freopen("pass.in","r",stdin);
//freopen("pass.out","w",stdout);
cin>>s;
ss=s.size();
s=" "+s;
a=s[1];
b=s[ss];
s.erase(ss,1);
s.erase(1,1);
ss-=2;
for(int c=1;c<=ss;c++)
{
a+=s[c];
b=s[ss]+b;
if(a==b&&s.find(a)!=-1)
{
ans=a;
}
ss-=2;
if(ss<3) break;
}
if(ans=="") cout<<"qwerty";
else cout<<ans;
return 0;
}//5468453
Compilation message
password.c:1:9: fatal error: bits/stdc++.h: No such file or directory
1 | #include<bits/stdc++.h>
| ^~~~~~~~~~~~~~~
compilation terminated.
