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  1. 	#include<iostream>
  2.  
  3. 	using namespace std;
  4.  
  5.  
  6. 	int fastScan(int& number)
  7. 	{
  8. 		register int c;
  9. 		number=0;
  10. 		bool isNeg=false;;		
  11. 		c=getchar();
  12.  
  13. 		if(c=='-')
  14. 		{isNeg=true;}
  15.  
  16. 		for(;c>47 && c<58;c=getchar())
  17. 		{
  18. 			number=number*10+c-48;
  19. 		}
  20.  
  21. 		if(isNeg) return -1*number;
  22. 		else return number;
  23. 	}
  24.  
  25. 	int main()
  26. 	{
  27. 		int k;
  28. 		fastScan(k);		
  29.  
  30. 		cout<<k<<endl;
  31.  
  32. 		return 0;
  33. 	}
Success #stdin #stdout 0s 15224KB
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https://ideone.com/1mEDHB
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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