Package g0301_0400.s0386_lexicographical_numbers

Class Solution

java.lang.Object

g0301_0400.s0386_lexicographical_numbers.Solution

public class Solution
extends Object

386 - Lexicographical Numbers.<p>Medium</p> <p>Given an integer <code>n</code>, return all the numbers in the range <code>[1, n]</code> sorted in lexicographical order.</p> <p>You must write an algorithm that runs in <code>O(n)</code> time and uses <code>O(1)</code> extra space.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> n = 13</p> <p><strong>Output:</strong> [1,10,11,12,13,2,3,4,5,6,7,8,9]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> n = 2</p> <p><strong>Output:</strong> [1,2]</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= n <= 5 * 10⁴</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	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 Details

Solution

public Solution()

Method Details

lexicalOrder

public List<Integer> lexicalOrder(int n)