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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ll      long long
  5. #define ld      long double
  6. #define nl      cout<<endl
  7. #define pb      push_back
  8. #define pob     pop_back
  9. #define pf      push_front
  10. #define pof     pop_front
  11. #define mp      make_pair
  12. #define ff      first
  13. #define ss      second
  14. #define PI      3.1415926535897932384626
  15. #define mod     1000000007
  16. #define all(x)  x.begin( ),x.end( )
  17. void ss(set<int>st)
  18. {
  19. 	set<int>::iterator itr = st.begin( );
  20. 	for(;itr != st.end( );itr++){
  21. 		cout<<*itr<<" ";
  22. 	}
  23. 	nl;
  24. }
  25.  
  26. void sl(list<int>st)
  27. {
  28. 	list<int>::iterator itr = st.begin( );
  29. 	for(;itr!=st.end( );itr++){
  30. 		cout<<*itr<<" ";
  31. 	}
  32. 	nl;
  33. } 
  34.  
  35. void sv(vector<int>v)
  36. {
  37. 	vector<int>::iterator itr = v.begin( );
  38. 	for(;itr != v.end( );itr++){
  39. 		cout<<*itr<<" ";
  40. 	}
  41. 	nl;
  42. }
  43.  
  44. void solve( )
  45. {
  46. 	int cnt = 0;
  47. 	int n;
  48. 	cin >> n;
  49. 	int a[n];
  50. 	int i;
  51. 	for ( i = 0; i < n;i++)
  52. 		cin >> a[i];
  53. 	for ( i = n - 2; i >= 0;i--){
  54. 		if(a[i]>=a[i+1])
  55. 			continue;
  56. 		else if(a[i]<a[i+1]){
  57. 			swap(a[i], a[i + 1]);
  58. 			break;
  59. 		}
  60. 	}
  61. 	if(i==-1)
  62. 		cout << "-1" << endl;
  63. 	else{
  64. 		sort(a + i + 1, a + n);
  65. 		for (i = 0; i < n;i++)cout << a[i];
  66. 	}
  67. 	cout<<endl;
  68. }
  69.  
  70. int main( )
  71. {
  72.     //Shahariar_Amin;
  73. 	//RUET,CSE-19;
  74.  
  75. 	ios_base::sync_with_stdio(0);
  76. 	cin.tie(0);
  77. 	cout.tie(0);
  78.  
  79. 	//freopen("input.txt","r",stdin);
  80. 	int t=1;
  81. 	cin>>t;
  82. 	while(t--)
  83. 	{
  84. 		solve( );
  85. 	}
  86. 	return 0;
  87. }
Success #stdin #stdout 0s 4300KB
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					 https://ideone.com/GSHTEQ
					
					
					
					
					

												
problem JNEXT, based on SPOJ submission 26486417 (CPP14-CLANG), 2020-08-26 17:42:33

												
						
						

					

					
					
					

						
language:

						
C++14 (clang 8.0)

					

					

						
created:
								
						
3 years ago

					

					

						
visibility:

						

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