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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4. int main() {
  5. 	int t;
  6. 	string s1,s2;
  7. 	cin>>t;
  8. 	int i,j;
  9. 	for(i=1;i<=t;i++)
  10. 	{
  11. 		cout<<"Case #"<<i<<": ";
  12. 		cin>>s1>>s2;
  13. 		if(s1[0]=='?' && s2[0]=='?')
  14. 			s1[0]=s2[0]='0';
  15. 		else if(s1[0]=='?')
  16. 			s1[0]=s2[0];
  17. 		else if(s2[0]=='?')
  18. 			s2[0]=s1[0];
  19. 		for(j=1;j<s1.length();j++)
  20. 		{
  21. 			if(s1[j]=='?' && s2[j]=='?')
  22. 			{
  23. 				if(s1[j-1]==s2[j-1])
  24. 					s1[j]=s2[j]='0';
  25. 				else if(s1[j-1]>s2[j-1])
  26. 				{
  27. 					s1[j]='0';
  28. 					s2[j]='9';
  29. 				}
  30. 				else
  31. 				{
  32. 					s2[j]='0';
  33. 					s1[j]='9';
  34. 				}
  35. 			}
  36. 			else if(s1[j]=='?')
  37. 			{
  38. 				if(s1[j-1]==s2[j-1])
  39. 					s1[j]=s2[j];
  40. 				else if(s1[j-1]>s2[j-1])
  41. 				{
  42. 					s1[j]='0';
  43.  
  44. 				}
  45. 				else
  46. 				{
  47.  
  48. 					s1[j]='9';
  49. 				}
  50. 			}
  51. 			else if(s2[j]=='?')
  52. 			{
  53. 				if(s1[j-1]==s2[j-1])
  54. 					s2[j]=s1[j];
  55. 				else if(s1[j-1]>s2[j-1])
  56. 				{
  57. 					s2[j]='9';
  58.  
  59. 				}
  60. 				else
  61. 				{
  62.  
  63. 					s2[j]='0';
  64. 				}
  65. 			}
  66. 		}
  67. 		cout<<s1<<" "<<s2<<endl;
  68. 	}
  69.  
  70. 	return 0;
  71. }
  72.  
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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4
1? 2?
?7? 06?
35 2?
3? 26
stdout
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Case #1: 19 20
Case #2: 070 069
Case #3: 35 29
Case #4: 30 26
https://ideone.com/RSdv8w
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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