mirror of
				https://gitee.com/coder-xiaomo/leetcode-problemset
				synced 2025-11-04 03:33:12 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			32 lines
		
	
	
		
			866 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			866 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>You are given an integer <code>n</code>.</p>
 | 
						|
 | 
						|
<p>Each number from <code>1</code> to <code>n</code> is grouped according to the sum of its digits.</p>
 | 
						|
 | 
						|
<p>Return <em>the number of groups that have the largest size</em>.</p>
 | 
						|
 | 
						|
<p> </p>
 | 
						|
<p><strong>Example 1:</strong></p>
 | 
						|
 | 
						|
<pre>
 | 
						|
<strong>Input:</strong> n = 13
 | 
						|
<strong>Output:</strong> 4
 | 
						|
<strong>Explanation:</strong> There are 9 groups in total, they are grouped according sum of its digits of numbers from 1 to 13:
 | 
						|
[1,10], [2,11], [3,12], [4,13], [5], [6], [7], [8], [9].
 | 
						|
There are 4 groups with largest size.
 | 
						|
</pre>
 | 
						|
 | 
						|
<p><strong>Example 2:</strong></p>
 | 
						|
 | 
						|
<pre>
 | 
						|
<strong>Input:</strong> n = 2
 | 
						|
<strong>Output:</strong> 2
 | 
						|
<strong>Explanation:</strong> There are 2 groups [1], [2] of size 1.
 | 
						|
</pre>
 | 
						|
 | 
						|
<p> </p>
 | 
						|
<p><strong>Constraints:</strong></p>
 | 
						|
 | 
						|
<ul>
 | 
						|
	<li><code>1 <= n <= 10<sup>4</sup></code></li>
 | 
						|
</ul>
 |