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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void sortArray(vector<int>&arr, int n)
  5. {
  6. 	int zeroCount = 0;
  7. 	int oneCount = 0;
  8. 	int twoCount = 0;
  9. 	for(int i = 0; i < n; i++)
  10. 	{
  11. 		if(arr[i] == 0)
  12. 			zeroCount++;
  13. 		else if(arr[i]==1)
  14. 			oneCount++;
  15. 		else 
  16. 			twoCount++;
  17. 	}
  18. 	int index = 0;
  19. 	for(int i=0; i<zeroCount; i++)
  20. 	{
  21. 		arr[index++] = 0;
  22. 	}
  23. 	for(int i=0; i<oneCount; i++)
  24. 	{
  25. 		arr[index++] = 1;
  26. 	}
  27. 	for(int i=0; i<twoCount; i++)
  28. 	{
  29. 		arr[index++] = 2;
  30. 	}
  31. }
  32. int main() {
  33. 	// your code goes here
  34. 	int n;
  35. 	cin>>n;
  36. 	vector<int> arr(n);
  37. 	for(int i=0; i<n; i++)
  38. 	{
  39. 		cin>>arr[i];
  40. 	}
  41.  
  42. 	sortArray(arr, n);
  43. 	for(int i=0; i<n; i++)
  44. 	{
  45. 		cout<<arr[i]<<" ";
  46. 	}
  47. 	return 0;
  48. }
Success #stdin #stdout 0.01s 5396KB
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stdin
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7
1 1 1 0 0 2 0
stdout
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0 0 0 1 1 1 2
https://ideone.com/e9WigI
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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