(프로그래머스)정수 뒤집어 배열 만들기

자연수 n을 뒤집어 각 자리 숫자를 원소로 가지는 배열 형태로 리턴해주세요. 예를들어 n이 12345이면 [5,4,3,2,1]을 리턴합니다.제한 조건

• n은 10,000,000,000이하인 자연수입니다.

입출력 예

nreturn

12345

[5,4,3,2,1]

 

 

?

1 2 3 4 5 6 7 8 9 10 11 12 13

<code class="hljs cpp"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Solution</span> {</span>   <span class="hljs-keyword">public</span> <span class="hljs-keyword">int</span>[] <span class="hljs-built_in">solution</span>(<span class="hljs-keyword">long</span> n) {       <span class="hljs-keyword">int</span> [] answer = <span class="hljs-keyword">new</span> <span class="hljs-keyword">int</span>[(<span class="hljs-keyword">int</span>)Math.<span class="hljs-built_in">log10</span>(n)+<span class="hljs-number">1</span>];               <span class="hljs-keyword">for</span>(<span class="hljs-keyword">int</span> i=<span class="hljs-number">0</span>; i<answer.length; i++) {              <span class="hljs-keyword">long</span> a = n%<span class="hljs-number">10</span>;              answer[i] = (<span class="hljs-keyword">int</span>)a;              n = n/<span class="hljs-number">10</span>;         }       <span class="hljs-keyword">return</span> answer;   } } </code>