mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
32 lines
1.4 KiB
HTML
32 lines
1.4 KiB
HTML
<p>You are given a <strong>0-indexed</strong> array <code>nums</code> consisting of <strong>positive</strong> integers. You can choose two indices <code>i</code> and <code>j</code>, such that <code>i != j</code>, and the sum of digits of the number <code>nums[i]</code> is equal to that of <code>nums[j]</code>.</p>
|
|
|
|
<p>Return <em>the <strong>maximum</strong> value of </em><code>nums[i] + nums[j]</code><em> that you can obtain over all possible indices </em><code>i</code><em> and </em><code>j</code><em> that satisfy the conditions.</em></p>
|
|
|
|
<p> </p>
|
|
<p><strong class="example">Example 1:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> nums = [18,43,36,13,7]
|
|
<strong>Output:</strong> 54
|
|
<strong>Explanation:</strong> The pairs (i, j) that satisfy the conditions are:
|
|
- (0, 2), both numbers have a sum of digits equal to 9, and their sum is 18 + 36 = 54.
|
|
- (1, 4), both numbers have a sum of digits equal to 7, and their sum is 43 + 7 = 50.
|
|
So the maximum sum that we can obtain is 54.
|
|
</pre>
|
|
|
|
<p><strong class="example">Example 2:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> nums = [10,12,19,14]
|
|
<strong>Output:</strong> -1
|
|
<strong>Explanation:</strong> There are no two numbers that satisfy the conditions, so we return -1.
|
|
</pre>
|
|
|
|
<p> </p>
|
|
<p><strong>Constraints:</strong></p>
|
|
|
|
<ul>
|
|
<li><code>1 <= nums.length <= 10<sup>5</sup></code></li>
|
|
<li><code>1 <= nums[i] <= 10<sup>9</sup></code></li>
|
|
</ul>
|