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184 lines
26 KiB
JSON
184 lines
26 KiB
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"title": "Count the Number of Substrings With Dominant Ones",
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"content": "<p>You are given a binary string <code>s</code>.</p>\n\n<p>Return the number of <span data-keyword=\"substring-nonempty\">substrings</span> with <strong>dominant</strong> ones.</p>\n\n<p>A string has <strong>dominant</strong> ones if the number of ones in the string is <strong>greater than or equal to</strong> the <strong>square</strong> of the number of zeros in the string.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">s = "00011"</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">5</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The substrings with dominant ones are shown in the table below.</p>\n</div>\n\n<table>\n\t<thead>\n\t\t<tr>\n\t\t\t<th>i</th>\n\t\t\t<th>j</th>\n\t\t\t<th>s[i..j]</th>\n\t\t\t<th>Number of Zeros</th>\n\t\t\t<th>Number of Ones</th>\n\t\t</tr>\n\t</thead>\n\t<tbody>\n\t\t<tr>\n\t\t\t<td>3</td>\n\t\t\t<td>3</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>4</td>\n\t\t\t<td>4</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t\t<td>01</td>\n\t\t\t<td>1</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>3</td>\n\t\t\t<td>4</td>\n\t\t\t<td>11</td>\n\t\t\t<td>0</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>2</td>\n\t\t\t<td>4</td>\n\t\t\t<td>011</td>\n\t\t\t<td>1</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">s = "101101"</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">16</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The substrings with <strong>non-dominant</strong> ones are shown in the table below.</p>\n\n<p>Since there are 21 substrings total and 5 of them have non-dominant ones, it follows that there are 16 substrings with dominant ones.</p>\n</div>\n\n<table>\n\t<thead>\n\t\t<tr>\n\t\t\t<th>i</th>\n\t\t\t<th>j</th>\n\t\t\t<th>s[i..j]</th>\n\t\t\t<th>Number of Zeros</th>\n\t\t\t<th>Number of Ones</th>\n\t\t</tr>\n\t</thead>\n\t<tbody>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>4</td>\n\t\t\t<td>4</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>4</td>\n\t\t\t<td>0110</td>\n\t\t\t<td>2</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>0</td>\n\t\t\t<td>4</td>\n\t\t\t<td>10110</td>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>5</td>\n\t\t\t<td>01101</td>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 4 * 10<sup>4</sup></code></li>\n\t<li><code>s</code> consists only of characters <code>'0'</code> and <code>'1'</code>.</li>\n</ul>\n",
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"translatedTitle": "统计 1 显著的字符串的数量",
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"translatedContent": "<p>给你一个二进制字符串 <code>s</code>。</p>\n\n<p>请你统计并返回其中 <strong>1 显著 </strong> 的 <span data-keyword=\"substring-nonempty\">子字符串</span> 的数量。</p>\n\n<p>如果字符串中 1 的数量 <strong>大于或等于</strong> 0 的数量的 <strong>平方</strong>,则认为该字符串是一个 <strong>1 显著</strong> 的字符串 。</p>\n\n<p> </p>\n\n<p><strong class=\"example\">示例 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入:</strong><span class=\"example-io\">s = \"00011\"</span></p>\n\n<p><strong>输出:</strong><span class=\"example-io\">5</span></p>\n\n<p><strong>解释:</strong></p>\n\n<p>1 显著的子字符串如下表所示。</p>\n</div>\n\n<table>\n\t<thead>\n\t\t<tr>\n\t\t\t<th>i</th>\n\t\t\t<th>j</th>\n\t\t\t<th>s[i..j]</th>\n\t\t\t<th>0 的数量</th>\n\t\t\t<th>1 的数量</th>\n\t\t</tr>\n\t</thead>\n\t<tbody>\n\t\t<tr>\n\t\t\t<td>3</td>\n\t\t\t<td>3</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>4</td>\n\t\t\t<td>4</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t\t<td>01</td>\n\t\t\t<td>1</td>\n\t\t\t<td>1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>3</td>\n\t\t\t<td>4</td>\n\t\t\t<td>11</td>\n\t\t\t<td>0</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>2</td>\n\t\t\t<td>4</td>\n\t\t\t<td>011</td>\n\t\t\t<td>1</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<p><strong class=\"example\">示例 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入:</strong><span class=\"example-io\">s = \"101101\"</span></p>\n\n<p><strong>输出:</strong><span class=\"example-io\">16</span></p>\n\n<p><strong>解释:</strong></p>\n\n<p>1 不显著的子字符串如下表所示。</p>\n\n<p>总共有 21 个子字符串,其中 5 个是 1 不显著字符串,因此有 16 个 1 显著子字符串。</p>\n</div>\n\n<table>\n\t<thead>\n\t\t<tr>\n\t\t\t<th>i</th>\n\t\t\t<th>j</th>\n\t\t\t<th>s[i..j]</th>\n\t\t\t<th>0 的数量</th>\n\t\t\t<th>1 的数量</th>\n\t\t</tr>\n\t</thead>\n\t<tbody>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>4</td>\n\t\t\t<td>4</td>\n\t\t\t<td>0</td>\n\t\t\t<td>1</td>\n\t\t\t<td>0</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>4</td>\n\t\t\t<td>0110</td>\n\t\t\t<td>2</td>\n\t\t\t<td>2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>0</td>\n\t\t\t<td>4</td>\n\t\t\t<td>10110</td>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td>1</td>\n\t\t\t<td>5</td>\n\t\t\t<td>01101</td>\n\t\t\t<td>2</td>\n\t\t\t<td>3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 4 * 10<sup>4</sup></code></li>\n\t<li><code>s</code> 仅包含字符 <code>'0'</code> 和 <code>'1'</code>。</li>\n</ul>\n",
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"Let us fix the starting index <code>l</code> of the substring and count the number of indices <code>r</code> such that <code>l <= r</code> and the substring <code>s[l..r]</code> has dominant ones.",
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