mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
178 lines
23 KiB
JSON
178 lines
23 KiB
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"content": "<p>You are keeping score for a baseball game with strange rules. The game consists of several rounds, where the scores of past rounds may affect future rounds' scores.</p>\n\n<p>At the beginning of the game, you start with an empty record. You are given a list of strings <code>ops</code>, where <code>ops[i]</code> is the <code>i<sup>th</sup></code> operation you must apply to the record and is one of the following:</p>\n\n<ol>\n\t<li>An integer <code>x</code> - Record a new score of <code>x</code>.</li>\n\t<li><code>"+"</code> - Record a new score that is the sum of the previous two scores. It is guaranteed there will always be two previous scores.</li>\n\t<li><code>"D"</code> - Record a new score that is double the previous score. It is guaranteed there will always be a previous score.</li>\n\t<li><code>"C"</code> - Invalidate the previous score, removing it from the record. It is guaranteed there will always be a previous score.</li>\n</ol>\n\n<p>Return <em>the sum of all the scores on the record</em>. The test cases are generated so that the answer fits in a 32-bit integer.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> ops = ["5","2","C","D","+"]\n<strong>Output:</strong> 30\n<strong>Explanation:</strong>\n"5" - Add 5 to the record, record is now [5].\n"2" - Add 2 to the record, record is now [5, 2].\n"C" - Invalidate and remove the previous score, record is now [5].\n"D" - Add 2 * 5 = 10 to the record, record is now [5, 10].\n"+" - Add 5 + 10 = 15 to the record, record is now [5, 10, 15].\nThe total sum is 5 + 10 + 15 = 30.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> ops = ["5","-2","4","C","D","9","+","+"]\n<strong>Output:</strong> 27\n<strong>Explanation:</strong>\n"5" - Add 5 to the record, record is now [5].\n"-2" - Add -2 to the record, record is now [5, -2].\n"4" - Add 4 to the record, record is now [5, -2, 4].\n"C" - Invalidate and remove the previous score, record is now [5, -2].\n"D" - Add 2 * -2 = -4 to the record, record is now [5, -2, -4].\n"9" - Add 9 to the record, record is now [5, -2, -4, 9].\n"+" - Add -4 + 9 = 5 to the record, record is now [5, -2, -4, 9, 5].\n"+" - Add 9 + 5 = 14 to the record, record is now [5, -2, -4, 9, 5, 14].\nThe total sum is 5 + -2 + -4 + 9 + 5 + 14 = 27.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> ops = ["1"]\n<strong>Output:</strong> 1\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= ops.length <= 1000</code></li>\n\t<li><code>ops[i]</code> is <code>"C"</code>, <code>"D"</code>, <code>"+"</code>, or a string representing an integer in the range <code>[-3 * 10<sup>4</sup>, 3 * 10<sup>4</sup>]</code>.</li>\n\t<li>For operation <code>"+"</code>, there will always be at least two previous scores on the record.</li>\n\t<li>For operations <code>"C"</code> and <code>"D"</code>, there will always be at least one previous score on the record.</li>\n</ul>\n",
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"translatedTitle": "棒球比赛",
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1.17<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 <a href=\\\"https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods\\\" target=\\\"_blank\\\">https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods<\\/a> \\u7b2c\\u4e09\\u65b9\\u5e93\\u3002<\\/p>\"],\"python3\":[\"Python3\",\"<p>\\u7248\\u672c\\uff1a<code>Python 3.10<\\/code><\\/p>\\r\\n\\r\\n<p>\\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982<a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/array.html\\\" target=\\\"_blank\\\">array<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/bisect.html\\\" target=\\\"_blank\\\">bisect<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/collections.html\\\" target=\\\"_blank\\\">collections<\\/a>\\u3002 \\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n<p>\\u5982\\u9700\\u4f7f\\u7528 Map\\/TreeMap \\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u60a8\\u53ef\\u4f7f\\u7528 <a href=\\\"http:\\/\\/www.grantjenks.com\\/docs\\/sortedcontainers\\/\\\" target=\\\"_blank\\\">sortedcontainers<\\/a> \\u5e93\\u3002<\\/p>\"],\"scala\":[\"Scala\",\"<p>\\u7248\\u672c\\uff1a<code>Scala 2.13<\\/code><\\/p>\"],\"kotlin\":[\"Kotlin\",\"<p>\\u7248\\u672c\\uff1a<code>Kotlin 1.3.10<\\/code><\\/p>\"],\"rust\":[\"Rust\",\"<p>\\u7248\\u672c\\uff1a<code>rust 1.58.1<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 crates.io \\u7684 <a href=\\\"https:\\/\\/crates.io\\/crates\\/rand\\\" target=\\\"_blank\\\">rand<\\/a><\\/p>\"],\"php\":[\"PHP\",\"<p><code>PHP 8.1<\\/code>.<\\/p>\\r\\n\\r\\n<p>With bcmath module.<\\/p>\"],\"typescript\":[\"TypeScript\",\"<p>TypeScript 4.5.4<\\/p>\\r\\n\\r\\n<p>Compile Options: --alwaysStrict --strictBindCallApply --strictFunctionTypes --target ES2020<\\/p>\"],\"racket\":[\"Racket\",\"<p><a href=\\\"https:\\/\\/docs.racket-lang.org\\/guide\\/performance.html#%28tech._c%29\\\" target=\\\"_blank\\\">Racket CS<\\/a> v8.3<\\/p>\\r\\n\\r\\n<p>\\u4f7f\\u7528 #lang racket<\\/p>\\r\\n\\r\\n<p>\\u5df2\\u9884\\u5148 (require data\\/gvector data\\/queue data\\/order data\\/heap). \\u82e5\\u9700\\u4f7f\\u7528\\u5176\\u5b83\\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u53ef\\u81ea\\u884c require\\u3002<\\/p>\"],\"erlang\":[\"Erlang\",\"Erlang\\/OTP 24.2\"],\"elixir\":[\"Elixir\",\"Elixir 1.13.0 with Erlang\\/OTP 24.2\"]}",
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