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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. int t;
  6. cin >> t;
  7. while(t--){
  8. char s[6];
  9. char t[6];
  10. char m[6];
  11. cin >> s;
  12. cin >> t;
  13. for(int i = 0; s[i] != '\0'; i++){
  14. if(s[i]==t[i]){
  15. m[i] = 'G';
  16. }
  17. else {
  18. m[i] = 'B';
  19. }
  20. }
  21. cout << m << endl;
  22. }
  23. return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5292KB
stdin
10
ABCDE
EDCBA
ROUND
RINGS
START
STUNT
TRORS
THORS
TOPER
GOPES
UNTIL
UTILL
ABCD
DCBA
SAFES
AIFES
LOOPS
POOLS
CARSA
SCARS
stdout
BBGBB
GBBBB
GGBBG
GBGGG
BGGGB
GBBBG
BBBBG
BBGGG
BGGBG
BBBBB