public class Main
{
static int HASH[];
public static void main
(String[] args
) {
int[] numbers = {1, 1, 2, 1, 3, 4, 5};
HASH=new int[100000];
for(int i=0;i<numbers.length;i++)
{
if(HASH[numbers[i]]==0)
{
System.
out.
print(numbers
[i
]+","); HASH[numbers[i]]=1;
}
}
}
}
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