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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6. 	string s;
  7. 	cin >> s;
  8. 	int n1=0, n2=0, n3=0;
  9. 	for (int i = 0; i < s.size(); i++){
  10. 		if (s[i]=='1') n1++;
  11. 		if (s[i]=='2') n2++;
  12. 		if (s[i]=='3') n3++;
  13. 	}
  14. 	int s1 = 1, s2=1, s3=1;
  15. 	if (n1>0){
  16. 		cout << 1;
  17. 		s1 = 2;
  18. 	}else{
  19. 		if (n2>0){
  20. 			cout << 2;
  21. 			s2 = 2;
  22. 		}else{
  23. 			cout << 3;
  24. 			s3 = 2;
  25. 		}
  26. 	}
  27. 	for (int i = s1; i <= n1; i++){
  28. 		cout << "+1";
  29. 	}
  30. 	for (int i = s2; i <= n2; i++){
  31. 		cout << "+2";
  32. 	}
  33. 	for (int i = s3; i <= n3; i++){
  34. 		cout << "+3";
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
3+2+1
stdout 
1+2+3
https://ideone.com/pSiF4E
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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