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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void solve(){
  5.     int n;
  6.     cin >> n;
  7.  
  8.     // Read input values into a vector (if needed)
  9.     vector<int> a(n);
  10.     for (int i = 0; i < n; i++){
  11.         cin >> a[i];
  12.     }
  13.  
  14.     // Create empty vectors for odds and evens
  15.     vector<int> b;  
  16.     vector<int> c;
  17.  
  18.     // Separate the numbers into odd and even vectors
  19.     for (int i = 0; i < n; i++){
  20.         if (a[i] % 2 == 1) {
  21.             b.push_back(a[i]);
  22.         } else {
  23.             c.push_back(a[i]);
  24.         }
  25.     }
  26.  
  27.     // If either vector is empty, output -1
  28.     if(b.empty() || c.empty()){
  29.         cout << -1 << endl;
  30.         return;
  31.     }
  32.  
  33.     // Print odd numbers
  34.     for (int x : b) {
  35.         cout << x << " ";
  36.     }
  37.     cout << endl;
  38.  
  39.     // Print even numbers
  40.     for (int x : c) {
  41.         cout << x << " ";
  42.     }
  43.     cout << endl;
  44.  
  45. 	// for(int x = 0; x < n; x++){
  46. 	// 	if(a[x] == -1){
  47. 	// 		i++;
  48. 	// 	}else if(a[x] == 1){
  49. 	// 		j++;
  50. 	// 	}
  51. 	// }
  52.  
  53. 	// while(i>j){
  54. 	// 	i--;
  55. 	// 	j++;
  56. 	// 	count++;
  57. 	// }
  58.  
  59.  
  60.  
  61. }
  62.  
  63. int main() {
  64. 	int t;
  65. 	cin>>t;
  66. 	while(t--){
  67. 		solve();
  68. 	}
  69. 	return 0;
  70. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
5
3
2 2 2
5
1 2 3 4 5
3
1 3 5
7
1 7 7 2 9 1 4
5
4 8 12 12 4
stdout
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-1
1 3 5 
2 4 
-1
1 7 7 9 1 
2 4 
-1
https://ideone.com/TG8g6V
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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