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leetcode/2535-difference-between-element-sum-and-digit-sum-of-an-array/README.md
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<h2><a href="https://leetcode.com/problems/difference-between-element-sum-and-digit-sum-of-an-array/">2535. Difference Between Element Sum and Digit Sum of an Array</a></h2><h3>Easy</h3><hr><div><p>You are given a positive integer array <code>nums</code>.</p>
<ul>
<li>The <strong>element sum</strong> is the sum of all the elements in <code>nums</code>.</li>
<li>The <strong>digit sum</strong> is the sum of all the digits (not necessarily distinct) that appear in <code>nums</code>.</li>
</ul>
<p>Return <em>the <strong>absolute</strong> difference between the <strong>element sum</strong> and <strong>digit sum</strong> of </em><code>nums</code>.</p>
<p><strong>Note</strong> that the absolute difference between two integers <code>x</code> and <code>y</code> is defined as <code>|x - y|</code>.</p>
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre><strong>Input:</strong> nums = [1,15,6,3]
<strong>Output:</strong> 9
<strong>Explanation:</strong>
The element sum of nums is 1 + 15 + 6 + 3 = 25.
The digit sum of nums is 1 + 1 + 5 + 6 + 3 = 16.
The absolute difference between the element sum and digit sum is |25 - 16| = 9.
</pre>
<p><strong class="example">Example 2:</strong></p>
<pre><strong>Input:</strong> nums = [1,2,3,4]
<strong>Output:</strong> 0
<strong>Explanation:</strong>
The element sum of nums is 1 + 2 + 3 + 4 = 10.
The digit sum of nums is 1 + 2 + 3 + 4 = 10.
The absolute difference between the element sum and digit sum is |10 - 10| = 0.
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
<ul>
<li><code>1 &lt;= nums.length &lt;= 2000</code></li>
<li><code>1 &lt;= nums[i] &lt;= 2000</code></li>
</ul>
</div>