import java.util.*;

// Define the Student class class Student { private int id; private String fname; private double cgpa;

public Student(int id, String fname, double cgpa) {
    this.id = id;
    this.fname = fname;
    this.cgpa = cgpa;
}

public int getId() {
    return id;
}

public String getFname() {
    return fname;
}

public double getCgpa() {
    return cgpa;
}

}

// Implement the Comparator to sort the students class SortByCGPA implements Comparator { @Override public int compare(Student s1, Student s2) { // Compare CGPA first in decreasing order if (s2.getCgpa() != s1.getCgpa()) { return Double.compare(s2.getCgpa(), s1.getCgpa()); }

    // If CGPA is same, compare by first name in alphabetical order
    int nameComparison = s1.getFname().compareTo(s2.getFname());
    if (nameComparison != 0) {
        return nameComparison;
    }

    // If both CGPA and first name are the same, compare by ID in increasing order
    return Integer.compare(s1.getId(), s2.getId());
}

}

// Main solution class public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int testCases = Integer.parseInt(in.nextLine());

    List<Student> studentList = new ArrayList<>();

    // Input data
    while (testCases > 0) {
        int id = in.nextInt();
        String fname = in.next();
        double cgpa = in.nextDouble();

        Student st = new Student(id, fname, cgpa);
        studentList.add(st);

        testCases--;
    }

    // Sort the list using the custom comparator
    Collections.sort(studentList, new SortByCGPA());

    // Output the first name of each student
    for (Student st : studentList) {
        System.out.println(st.getFname());
    }
}

}

import java.util.ArrayList; import java.util.Comparator; import java.util.List; import java.util.Scanner;

public class Solution { public static void main(String[] args) {

List<Student> students = new ArrayList<>();
Scanner scanner = new Scanner(System.in);

int customersTotalCount = scanner.nextInt();

for (int i = 0; i < customersTotalCount; i++) {

    int customerId = scanner.nextInt();
    String custName = scanner.next();
    double cgpa = scanner.nextDouble();

    students.add(new Student(customerId, custName, cgpa));
}

students.sort(new GPAComparator());
students.forEach((student) -> System.out.println(student.getName()));

}

public static class Student {

public Student(int id, String name, double cgpa) {
    this.id = id;
    this.name = name;
    this.cgpa = cgpa;
}

public int getId() {
    return id;
}


public String getName() {
    return name;
}

public double getCgpa() {
    return cgpa;
}

private int id;
private String name;
private double cgpa;

}

static class GPAComparator implements Comparator { public int compare(Student s1, Student s2) { int compareCGPA = Double.compare(s2.getCgpa(), s1.getCgpa()); int n = s1.getName().compareTo(s2.getName()); if (compareCGPA != 0) { return compareCGPA; } else if (n != 0) { return n; } else { return Double.compare(s1.getId(), s2.getId()); } } } }

//here i am giving the solution of a code import java.util.*;

class Student{ private int id; private String fname; private double cgpa; public Student(int id, String fname, double cgpa) { super(); this.id = id; this.fname = fname; this.cgpa = cgpa; } public int getId() { return id; } public String getFname() { return fname; } public double getCgpa() { return cgpa; } }

//Complete the code public class Solution { public static void main(String[] args){ Scanner in = new Scanner(System.in); int testCases = Integer.parseInt(in.nextLine());

    List<Student> studentList = new ArrayList<Student>();
    while(testCases>0){
        int id = in.nextInt();
        String fname = in.next();
        double cgpa = in.nextDouble();

        Student st = new Student(id, fname, cgpa);
        studentList.add(st);

        testCases--;
    }
  Collections.sort(studentList, new Comparator<Student>() {
        @Override
        public int compare(Student s1, Student s2) {
            // Compare by CGPA (descending order)
            if (Double.compare(s2.getCgpa(), s1.getCgpa()) != 0) {
                return Double.compare(s2.getCgpa(), s1.getCgpa());
            }
            // Compare by first name (alphabetical order)
            if (!s1.getFname().equals(s2.getFname())) {
                return s1.getFname().compareTo(s2.getFname());
            }
            // Compare by ID (ascending order)
            return Integer.compare(s1.getId(), s2.getId());
        }
    });
    for(Student st: studentList){
        System.out.println(st.getFname());
    }
}

}

// by defining user defined comparator we can solve it. it's same as others solved it but passing as argument in streams using lmbda functions.

studentList.stream().sorted((student1,student2)->{int compareCGPA = Double.compare(student2.getCgpa(), student1.getCgpa()); if (compareCGPA != 0) { return compareCGPA; } else { return student1.getFname().compareTo(student2.getFname()); }}).forEach(i->System.out.println(i.getFname())); // for(Student st: studentList){ // System.out.println(st.getFname()); // }

import java.util.*;

class Student{ private int id; private String fname; private double cgpa; public Student(int id, String fname, double cgpa) { super(); this.id = id; this.fname = fname; this.cgpa = cgpa; } public int getId() { return id; } public String getFname() { return fname; } public double getCgpa() { return cgpa; } }

public class Solution { public static void main(String[] args){

Comparator<Student> stu = new Comparator<Student>() 
{
  public int compare(Student s1,Student s2)
   {
       if (Double.compare(s2.getCgpa(),s1.getCgpa())!=0) 
       {
           return Double.compare(s2.getCgpa(),s1.getCgpa());
       }
       else if (!s1.getFname().equals(s2.getFname())) 
       {
           return s1.getFname().compareTo(s2.getFname());
       }
       else
       {
           return Integer.compare(s1.getId(), s2.getId());
       }
   }
};

    Scanner in = new Scanner(System.in);
    int testCases = Integer.parseInt(in.nextLine());

    List<Student> studentList = new ArrayList<Student>();
    while(testCases>0){
        int id = in.nextInt();
        String fname = in.next();
        double cgpa = in.nextDouble();

        Student st = new Student(id, fname, cgpa);
        studentList.add(st);

        testCases--;
    }

     Collections.sort(studentList, stu);

    for(Student st: studentList){
        System.out.println(st.getFname());
    }
}

}