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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	int t;
  6. 	cin >> t;
  7.  
  8. 	while (t > 0)
  9. 	{
  10. 		string a, b;
  11.  
  12. 		cin >> a >> b;
  13. 		int  count = 0;
  14.  
  15. 		for (int i = 0; i < a.length(); i++)
  16. 		{
  17. 			if (a[i] == b[i])
  18. 			{
  19. 				continue;
  20. 			}
  21. 			++count;
  22. 			for (int j = i; j < b.length()&&a[j]!=b[j]; j = j + 2)
  23. 			{
  24.  
  25.  
  26. 					a[j] = b[j];
  27.  
  28.  
  29. 			}
  30. 		}
  31. 		cout << count << endl;
  32.  
  33.  
  34.  
  35.  
  36. 		--t;
  37.  
  38. 	}
  39.  
  40.  
  41. 	return 0;
  42. }
  43.  
Success #stdin #stdout 0s 4184KB
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stdin
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3
100001
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1010
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111
stdout
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2
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https://ideone.com/cD3MyI
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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