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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8. string seq;
  9. getline(cin, seq);
  10.  
  11. transform ( seq.begin(), seq.end(), seq.begin(), ::toupper );
  12.  
  13. cout << seq << endl;
  14. replace ( seq.begin(), seq.end(), 'A', 'U' );
  15. cout << seq << endl;
  16. replace ( seq.begin(), seq.end(), 'U', 'A' );
  17. cout << seq << endl;
  18.  
  19. return 0;
  20. }
Success #stdin #stdout 0s 4248KB
stdin
AAAA UUUU AAAA UUU
stdout
AAAA UUUU AAAA UUU
UUUU UUUU UUUU UUU
AAAA AAAA AAAA AAA