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Solution.java

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import java.io.*;

import java.util.*;

import java.text.*;

import java.math.*;

import java.util.regex.*;

class SortStringsComparator implements Comparator<String> {

public int compare(String x, String y) {

if (x.length() == y.length()) {

return x.compareTo(y);

}

return x.length() - y.length();

}

}

public class Solution {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

StringBuilder out = new StringBuilder();

int n = in.nextInt();

String[] arr = new String[n];

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

arr[i] = in.next();

}

Arrays.sort(arr, new SortStringsComparator());

for (int i = 0; i < arr.length; i++) {

out.append(arr[i].toString() + "\n");

}

System.out.println(out.toString());

}

}