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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	long int t,n,num,t1,t2;
  7. 	cin>>t;
  8. 	while(t--)
  9. 	{
  10. 		cin>>n;
  11. 		vector <long int> v1,v2; 
  12. 		for(int i=0;i<n;i++)
  13. 		{
  14. 			cin>>num;
  15. 			v1.push_back(num);
  16. 		}
  17. 		while(v1.size()>1)
  18. 		{
  19. 			t1=v1.back();
  20. 			v1.pop_back();
  21. 			t2=v1.back();
  22. 			if(t1<=t2)
  23. 				v2.push_back(t1);
  24. 			else
  25. 			{
  26. 				v2.push_back(t1);
  27. 				break;
  28. 			}
  29. 		}
  30. 		sort(v2.begin(),v2.end());
  31. 		long int i=0,sz=v2.size();
  32. 		while(i<sz && v2[i]<=t2)
  33. 		{
  34. 			i++;
  35. 		}
  36. 		if(i==sz)
  37. 			cout<<-1<<endl;
  38. 		else
  39. 		{
  40. 			swap(v2[i],v1.back());
  41. 			for(i=0;i<v2.size();i++)
  42. 				v1.push_back(v2[i]);
  43. 			for(i=0;i<n;i++)
  44. 				cout<<v1[i];
  45. 			cout<<endl;
  46. 		}
  47. 	}
  48. 	return 0;
  49. }
Time limit exceeded #stdin #stdout 5s 4197592KB
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Standard input is empty
stdout 
Standard output is empty
https://ideone.com/VTJJ5B
problem JNEXT, based on SPOJ submission 25179650 (CPP14), 2020-01-03 08:42:53
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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