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存量题库数据更新
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@@ -12,13 +12,44 @@
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"translatedContent": "<p>给你一个下标从 <strong>0</strong> 开始的整数数组 <code>nums</code> 。</p>\n\n<p><code>nums</code> 一个长度为 <code>k</code> 的 <strong>子序列</strong> 指的是选出 <code>k</code> 个 <strong>下标</strong> <code>i<sub>0</sub> < i<sub>1</sub> < ... < i<sub>k-1</sub></code> ,如果这个子序列满足以下条件,我们说它是 <strong>平衡的</strong> :</p>\n\n<ul>\n\t<li>对于范围 <code>[1, k - 1]</code> 内的所有 <code>j</code> ,<code>nums[i<sub>j</sub>] - nums[i<sub>j-1</sub>] >= i<sub>j</sub> - i<sub>j-1</sub></code> 都成立。</li>\n</ul>\n\n<p><code>nums</code> 长度为 <code>1</code> 的 <strong>子序列</strong> 是平衡的。</p>\n\n<p>请你返回一个整数,表示 <code>nums</code> <strong>平衡</strong> 子序列里面的 <strong>最大元素和</strong> 。</p>\n\n<p>一个数组的 <strong>子序列</strong> 指的是从原数组中删除一些元素(<strong>也可能一个元素也不删除</strong>)后,剩余元素保持相对顺序得到的 <strong>非空</strong> 新数组。</p>\n\n<p> </p>\n\n<p><strong class=\"example\">示例 1:</strong></p>\n\n<pre>\n<b>输入:</b>nums = [3,3,5,6]\n<b>输出:</b>14\n<b>解释:</b>这个例子中,选择子序列 [3,5,6] ,下标为 0 ,2 和 3 的元素被选中。\nnums[2] - nums[0] >= 2 - 0 。\nnums[3] - nums[2] >= 3 - 2 。\n所以,这是一个平衡子序列,且它的和是所有平衡子序列里最大的。\n包含下标 1 ,2 和 3 的子序列也是一个平衡的子序列。\n最大平衡子序列和为 14 。</pre>\n\n<p><strong class=\"example\">示例 2:</strong></p>\n\n<pre>\n<b>输入:</b>nums = [5,-1,-3,8]\n<b>输出:</b>13\n<b>解释:</b>这个例子中,选择子序列 [5,8] ,下标为 0 和 3 的元素被选中。\nnums[3] - nums[0] >= 3 - 0 。\n所以,这是一个平衡子序列,且它的和是所有平衡子序列里最大的。\n最大平衡子序列和为 13 。\n</pre>\n\n<p><strong class=\"example\">示例 3:</strong></p>\n\n<pre>\n<b>输入:</b>nums = [-2,-1]\n<b>输出:</b>-1\n<b>解释:</b>这个例子中,选择子序列 [-1] 。\n这是一个平衡子序列,而且它的和是 nums 所有平衡子序列里最大的。\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 10<sup>5</sup></code></li>\n\t<li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li>\n</ul>\n",
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"Let <code>dp[x]</code> represent the maximum sum of a balanced subsequence ending at <code>x</code>.",
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"Rewriting the formula <code>nums[i<sub>j</sub>] - nums[i<sub>j-1</sub>] >= i<sub>j</sub> - i<sub>j-1</sub></code> gives <code>nums[i<sub>j</sub>] - i<sub>j</sub> >= nums[i<sub>j-1</sub>] - i<sub>j-1</sub></code>.",
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