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import java.io.; import java.util.;
public class Solution {
public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); sc.nextLine(); Set<String> set=new HashSet<>(); for(int i=0;i<n;i++){ String str1=sc.nextLine(); set.add(str1); System.out.println(set.size()); } sc.close(); }
}
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Java Hashset
You are viewing a single comment's thread. Return to all comments →
import java.io.; import java.util.;
public class Solution {
}