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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. static const long long xx = 1e9+7;
  4. //nope simulation is buns time to math sob
  5. int main() {
  6. 	int t;
  7. 	cin>>t;
  8. 	while(t--){
  9. string x;
  10. cin>>x;
  11. bool b = true;
  12. long long int bv =0;
  13. for(char c:x){
  14. 	int d = int(c)-'0';
  15. 	if(d!=0&&d!=1){
  16. 		b=false;
  17. 	}
  18. 	int bb=d%2;
  19. 		int bv=(bv*2+bb)%xx;
  20. }
  21. 	long long ans = bv;
  22. 	if(!b){
  23. 		ans=(ans+1)%xx;
  24. 	}
  25.  
  26.  
  27. 	cout<<ans;
  28. 	}
  29. 	return 0;
  30. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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stdout
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https://ideone.com/2c88OA
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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