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CoordinatesSort2.java
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CoordinatesSort2.java
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package sort;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.StringTokenizer;
class Coordinates2 implements Comparable<Coordinates2>{
int x;
int y;
public Coordinates2(int x, int y){
this.x = x;
this.y = y;
}
@Override
public int compareTo(Coordinates2 coordinates2){
if(y == coordinates2.y)
return x - coordinates2.x;
return y - coordinates2.y;
}
@Override
public String toString(){
return this.x + " " + this.y;
}
}
public class CoordinatesSort2 {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N;
ArrayList<Coordinates2> arr = new ArrayList<Coordinates2>();
StringTokenizer st;
N = Integer.parseInt(br.readLine());
for (int i = 0; i < N; i++) {
st = new StringTokenizer(br.readLine());
arr.add(new Coordinates2(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken())));
}
Collections.sort(arr);
for (int i = 0; i < N; i++) {
System.out.println(arr.get(i));
}
}
}