31 lines
814 B
Java
31 lines
814 B
Java
// Author: Rodney Shaghoulian
|
|
// Github: github.com/RodneyShag
|
|
// HackerRank: hackerrank.com/RodneyShag
|
|
|
|
import java.io.*;
|
|
import java.util.*;
|
|
import java.text.*;
|
|
import java.math.*;
|
|
import java.util.regex.*;
|
|
|
|
public class Solution {
|
|
public static void main(String[] args) {
|
|
Scanner s = new Scanner(System.in);
|
|
int t = s.nextInt();
|
|
String [] pair_left = new String[t];
|
|
String [] pair_right = new String[t];
|
|
|
|
for (int i = 0; i < t; i++) {
|
|
pair_left[i] = s.next();
|
|
pair_right[i] = s.next();
|
|
}
|
|
s.close();
|
|
|
|
HashSet<String> set = new HashSet<>(t);
|
|
for (int i = 0; i < t; i++) {
|
|
set.add(pair_left[i] + " " + pair_right[i]);
|
|
System.out.println(set.size());
|
|
}
|
|
}
|
|
}
|