Codeforces 1093B. Letters Rearranging Solution

1. Solution in c++:
2. ///**********ALLAH IS ALMIGHTY************///
3. ///AH Tonmoy
4. ///Department of CSE,23rd batch
5. ///Islamic University,Bangladesh
6. #include<bits/stdc++.h>
7. using namespace std;
8. int main()
9. {
10. int i,j,len,t;
11. cin>>t;
12. while(t--)
13. {
14. string a;
15. cin>>a;
16. len=a.length();
17. sort(a.begin(),a.end());
18. if(a[0]==a[len-1])
19. cout<<"-1"<<endl;
20. else
21. cout<<a<<endl;
22. }
23. }
24.