g0301_0400.s0386_lexicographical_numbers

Class Solution

java.lang.Object

g0301_0400.s0386_lexicographical_numbers.Solution

public class Solution
extends Object

386 - Lexicographical Numbers.

Medium

Given an integer n, return all the numbers in the range [1, n] sorted in lexicographical order.

You must write an algorithm that runs in O(n) time and uses O(1) extra space.

Example 1:

Input: n = 13

Output: [1,10,11,12,13,2,3,4,5,6,7,8,9]

Example 2:

Input: n = 2

Output: [1,2]

Constraints:

• 1 <= n <= 5 * 104

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<Integer>	lexicalOrder(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

lexicalOrder

public List<Integer> lexicalOrder(int n)