mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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178 lines
17 KiB
JSON
178 lines
17 KiB
JSON
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"title": "Equal Rational Numbers",
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"content": "<p>Given two strings <code>s</code> and <code>t</code>, each of which represents a non-negative rational number, return <code>true</code> if and only if they represent the same number. The strings may use parentheses to denote the repeating part of the rational number.</p>\n\n<p>A <strong>rational number</strong> can be represented using up to three parts: <code><IntegerPart></code>, <code><NonRepeatingPart></code>, and a <code><RepeatingPart></code>. The number will be represented in one of the following three ways:</p>\n\n<ul>\n\t<li><code><IntegerPart></code>\n\n\t<ul>\n\t\t<li>For example, <code>12</code>, <code>0</code>, and <code>123</code>.</li>\n\t</ul>\n\t</li>\n\t<li><code><IntegerPart><strong><.></strong><NonRepeatingPart></code>\n\t<ul>\n\t\t<li>For example, <code>0.5</code>, <code>1.</code>, <code>2.12</code>, and <code>123.0001</code>.</li>\n\t</ul>\n\t</li>\n\t<li><code><IntegerPart><strong><.></strong><NonRepeatingPart><strong><(></strong><RepeatingPart><strong><)></strong></code>\n\t<ul>\n\t\t<li>For example, <code>0.1(6)</code>, <code>1.(9)</code>, <code>123.00(1212)</code>.</li>\n\t</ul>\n\t</li>\n</ul>\n\n<p>The repeating portion of a decimal expansion is conventionally denoted within a pair of round brackets. For example:</p>\n\n<ul>\n\t<li><code>1/6 = 0.16666666... = 0.1(6) = 0.1666(6) = 0.166(66)</code>.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "0.(52)", t = "0.5(25)"\n<strong>Output:</strong> true\n<strong>Explanation:</strong> Because "0.(52)" represents 0.52525252..., and "0.5(25)" represents 0.52525252525..... , the strings represent the same number.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "0.1666(6)", t = "0.166(66)"\n<strong>Output:</strong> true\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "0.9(9)", t = "1."\n<strong>Output:</strong> true\n<strong>Explanation:</strong> "0.9(9)" represents 0.999999999... repeated forever, which equals 1. [<a href=\"https://en.wikipedia.org/wiki/0.999...\" target=\"_blank\">See this link for an explanation.</a>]\n"1." represents the number 1, which is formed correctly: (IntegerPart) = "1" and (NonRepeatingPart) = "".\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li>Each part consists only of digits.</li>\n\t<li>The <code><IntegerPart></code> does not have leading zeros (except for the zero itself).</li>\n\t<li><code>1 <= <IntegerPart>.length <= 4</code></li>\n\t<li><code>0 <= <NonRepeatingPart>.length <= 4</code></li>\n\t<li><code>1 <= <RepeatingPart>.length <= 4</code></li>\n</ul>\n",
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