405. Remove Element
EasyTwo Pointers
Remove every occurrence of val. Print the number of remaining elements, then the remaining elements in order (or EMPTY).
Input format
Line 1: n val Line 2: n integers
Output format
Line 1: count Line 2: the elements or EMPTY
Example 1
Input
4 3 3 2 2 3
Output
2 2 2
Example 2
Input
8 2 0 1 2 2 3 0 4 2
Output
5 0 1 3 0 4
Constraints
1 ≤ n ≤ 10⁵
Read input from standard input and print the answer to standard output. Your code is judged against 5 test cases, most of them hidden.
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