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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. void solve() {
  6. 	string A, B;
  7. 	cin >> A >> B;
  8. 	reverse(begin(A), end(A));
  9. 	reverse(begin(B), end(B));
  10. 	while(A.size() < B.size()) A += "0";
  11. 	while(B.size() < A.size()) B += "0";
  12. 	A += "0"; B += "0";
  13. 	int carry = 0, ans = 0, cur = 0;
  14. 	for(size_t i = 0; i < A.size(); i++) {
  15. 		carry = carry + (A[i] - '0') + (B[i] - '0');
  16. 		if(carry == 2) {
  17. 			cur += 1;
  18. 		} else {
  19. 			cur = carry / 2;
  20. 		}
  21. 		carry /= 2;
  22. 		ans = max(ans, cur + 1);
  23. 	}
  24. 	cout << ans * (B.find('1') != string::npos) << endl;
  25. }
  26.  
  27. signed main() {
  28. 	int t;
  29. 	cin >> t;
  30. 	while(t--) {
  31. 		solve();
  32. 	}
  33. }
  34.  
Success #stdin #stdout 0.05s 4368KB
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https://ideone.com/Jiffaa
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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