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leetcode-problemset/leetcode-cn/problem (English)/摧毁一系列目标(English) [destroy-sequential-targets].html

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2025-01-09 20:29:41 +08:00
<p>You are given a <strong>0-indexed</strong> array <code>nums</code> consisting of positive integers, representing targets on a number line. You are also given an integer <code>space</code>.</p>
<p>You have a machine which can destroy targets. <strong>Seeding</strong> the machine with some <code>nums[i]</code> allows it to destroy all targets with values that can be represented as <code>nums[i] + c * space</code>, where <code>c</code> is any non-negative integer. You want to destroy the <strong>maximum</strong> number of targets in <code>nums</code>.</p>
<p>Return<em> the <strong>minimum value</strong> of </em><code>nums[i]</code><em> you can seed the machine with to destroy the maximum number of targets.</em></p>
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong> nums = [3,7,8,1,1,5], space = 2
<strong>Output:</strong> 1
<strong>Explanation:</strong> If we seed the machine with nums[3], then we destroy all targets equal to 1,3,5,7,9,...
In this case, we would destroy 5 total targets (all except for nums[2]).
It is impossible to destroy more than 5 targets, so we return nums[3].
</pre>
<p><strong class="example">Example 2:</strong></p>
<pre>
<strong>Input:</strong> nums = [1,3,5,2,4,6], space = 2
<strong>Output:</strong> 1
<strong>Explanation:</strong> Seeding the machine with nums[0], or nums[3] destroys 3 targets.
It is not possible to destroy more than 3 targets.
Since nums[0] is the minimal integer that can destroy 3 targets, we return 1.
</pre>
<p><strong class="example">Example 3:</strong></p>
<pre>
<strong>Input:</strong> nums = [6,2,5], space = 100
<strong>Output:</strong> 2
<strong>Explanation:</strong> Whatever initial seed we select, we can only destroy 1 target. The minimal seed is nums[1].
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
<ul>
<li><code>1 &lt;= nums.length &lt;= 10<sup>5</sup></code></li>
<li><code>1 &lt;= nums[i] &lt;= 10<sup>9</sup></code></li>
<li><code>1 &lt;= space &lt;=&nbsp;10<sup>9</sup></code></li>
</ul>