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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6. 	ios_base::sync_with_stdio(false); //faster input/output
  7. 	int t,n,i,special=0;
  8. 	cin>>t;
  9. 	string num="";
  10. 	while(t--)
  11. 	{
  12. 		special=0;
  13.  
  14. 		cin>>num;
  15. 		i=0;
  16. 		n=num.length();
  17. 		if(n==1)
  18. 		{
  19. 			cout<<num<<endl;
  20. 			continue;
  21. 		}
  22. 		int a=(n-2)/2;
  23. 		int b=(n+1)/2;
  24. 		int flag=0;
  25. 		for(i=0;i<n/2;i++)
  26. 		{
  27. 			if(num[a-i]>num[b+i])
  28. 				{flag=1; break;}
  29. 			else if(num[a-i]<num[b+i])
  30. 				{flag=0;break;}
  31. 		}
  32. 		if(flag==0)
  33. 		{
  34. 			i=(n-1)/2;
  35.  
  36. 			while(num[i]=='9')
  37. 			{
  38. 				num[i--]='0';
  39. 			}
  40. 			if(i==-1){
  41. 			special=1;
  42. 				}
  43.  
  44. 			else
  45. 				num[i]++;
  46.  
  47. 		}
  48. 		if(!special)
  49. 		{
  50. 			for(int i=0;i<(n+1)/2;i++)
  51. 				cout<<num[i];
  52. 			for(int i=(n-2)/2;i>=0;i--)
  53. 				cout<<num[i];
  54. 			cout<<endl;
  55. 		}
  56. 		else
  57. 		{
  58. 			cout<<1;
  59. 			for(int i=0;i<n-1;i++)
  60. 				cout<<0;
  61. 			cout<<1<<endl;
  62. 		}
  63. 	}
  64. 	return 0;
  65. }
Success #stdin #stdout 0s 2824KB
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stdin
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3
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stdout
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1724271
1000001
12355321
https://ideone.com/QZu8on
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
public

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