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how solve this i failed from 1/6 test cases there is error show in test case 5 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();
}
// ... your previous code unchanged ...
Set hashSet = new HashSet<>();
for (int i = 0; i < t; i++){
hashSet.add(pair_left[i]+" "+pair_right[i]);hoow
System.out.println(hashSet.size());
}
}
}
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Java Hashset
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how solve this i failed from 1/6 test cases there is error show in test case 5 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];
// ... your previous code unchanged ... Set hashSet = new HashSet<>(); for (int i = 0; i < t; i++){ hashSet.add(pair_left[i]+" "+pair_right[i]);hoow System.out.println(hashSet.size()); } } }