Sort an Array of 0s 1s and 2s (Dutch Flag)
Sort an array containing only three distinct values in a single pass using three pointers.
Input format
The first line contains N. The second line contains N integers, each 0, 1, or 2.
Output format
Print the array sorted in non-decreasing order, space-separated on one line.
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
6
2 0 2 1 1 0Expected output
0 0 1 1 2 2Example 2
Input
1
1Expected output
1