Package g0401_0500.s0440_k_th_smallest_in_lexicographical_order

Class Solution

java.lang.Object

g0401_0500.s0440_k_th_smallest_in_lexicographical_order.Solution

public class Solution
extends Object

440 - K-th Smallest in Lexicographical Order.<p>Hard</p> <p>Given two integers <code>n</code> and <code>k</code>, return <em>the</em> <code>k^th</code> <em>lexicographically smallest integer in the range</em> <code>[1, n]</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> n = 13, k = 2</p> <p><strong>Output:</strong> 10</p> <p><strong>Explanation:</strong> The lexicographical order is [1, 10, 11, 12, 13, 2, 3, 4, 5, 6, 7, 8, 9], so the second smallest number is 10.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> n = 1, k = 1</p> <p><strong>Output:</strong> 1</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= k <= n <= 10⁹</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	findKthNumber(int n, int k)

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

findKthNumber

public int findKthNumber(int n,
 int k)