1342B codeforces solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
main()
{
int t,i,c=0;
cin>>t;
while(t--)
{
c=0;
string s;
cin>>s;
for(i=1;i<s.size();i++)
{
if(s[i]!=s[i-1])
{
c=1;
break;
}
}
if(c==0)cout<<s<<endl;
else
{
for(i=0;i<s.size();i++)
{
cout<<"10";
}
cout<<endl;
}
}
return 0;
}
0 Comments