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leetcode-problemset/leetcode-cn/problem (Chinese)/最大宽度坡 [maximum-width-ramp].html
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<p>给定一个整数数组&nbsp;<code>A</code><em></em>是元组&nbsp;<code>(i, j)</code>,其中&nbsp;&nbsp;<code>i &lt; j</code>&nbsp;&nbsp;<code>A[i] &lt;= A[j]</code>。这样的坡的宽度为&nbsp;<code>j - i</code></p>
<p>找出&nbsp;<code>A</code>&nbsp;中的坡的最大宽度,如果不存在,返回 0 。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre><strong>输入:</strong>[6,0,8,2,1,5]
<strong>输出:</strong>4
<strong>解释:</strong>
最大宽度的坡为 (i, j) = (1, 5): A[1] = 0 且 A[5] = 5.
</pre>
<p><strong>示例 2</strong></p>
<pre><strong>输入:</strong>[9,8,1,0,1,9,4,0,4,1]
<strong>输出:</strong>7
<strong>解释:</strong>
最大宽度的坡为 (i, j) = (2, 9): A[2] = 1 且 A[9] = 1.
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ol>
<li><code>2 &lt;= A.length &lt;= 50000</code></li>
<li><code>0 &lt;= A[i] &lt;= 50000</code></li>
</ol>
<p>&nbsp;</p>