"content":"<p>GivenaC++program,removecommentsfromit.Theprogramsourceisanarrayofstrings<code>source</code>where<code>source[i]</code>isthe<code>i<sup>th</sup></code>lineofthesourcecode.Thisrepresentstheresultofsplittingtheoriginalsourcecodestringbythenewlinecharacter<code>'\\n'</code>.</p>\n\n<p>InC++,therearetwotypesofcomments,linecomments,andblockcomments.</p>\n\n<ul>\n\t<li>Thestring<code>"//"</code> denotes a line comment, which represents that it and the rest of the characters to the right of it in the same line should be ignored.</li>\n\t<li>The string <code>"/*"</code> denotes a block comment, which represents that all characters until the next (non-overlapping) occurrence of <code>"*/"</code> should be ignored. (Here, occurrences happen in reading order: line by line from left to right.) To be clear, the string <code>"/*/"</code> does not yet end the block comment, as the ending would be overlapping the beginning.</li>\n</ul>\n\n<p>The first effective comment takes precedence over others.</p>\n\n<ul>\n\t<li>For example, if the string <code>"//"</code> occurs in a block comment, it is ignored.</li>\n\t<li>Similarly, if the string <code>"/*"</code> occurs in a line or block comment, it is also ignored.</li>\n</ul>\n\n<p>If a certain line of code is empty after removing comments, you must not output that line: each string in the answer list will be non-empty.</p>\n\n<p>There will be no control characters, single quote, or double quote characters.</p>\n\n<ul>\n\t<li>For example, <code>source = "string s = "/* Not a comment. */";"</code> will not be a test case.</li>\n</ul>\n\n<p>Also, nothing else such as defines or macros will interfere with the comments.</p>\n\n<p>It is guaranteed that every open block comment will eventually be closed, so <code>"/*"</code> outside of a line or block comment always starts a new comment.</p>\n\n<p>Finally, implicit newline characters can be deleted by block comments. Please see the examples below for details.</p>\n\n<p>After removing the comments from the source code, return <em>the source code in the same format</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> source = ["/*Test program */", "int main()", "{ ", " // variable declaration ", "int a, b, c;", "/* This is a test", " multiline ", " comment for ", " testing */", "a = b + c;", "}"]\n<strong>Output:</strong> ["int main()","{ "," ","int a, b, c;","a = b + c;","}"]\n<strong>Explanation:</strong> The line by line code is visualized as below:\n/*Test program */\nint main()\n{ \n // variable declaration \nint a, b, c;\n/* This is a test\n multiline \n comment for \n testing */\na = b + c;\n}\nThe string /* denotes a block comment, including line 1 and lines 6-9. The string // denotes line 4 as comments.\nThe line by line output code is visualized as below:\nint main()\n{ \n \nint a, b, c;\na = b + c;\n}\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> source = ["a/*comment", "line", "more_comment*/b"]\n<strong>Output:</strong> ["ab"]\n<strong>Explanation:</strong> The original source string is "a/*comment\\nline\\nmore_comment*/b", where we have bolded the newline characters. After deletion, the implicit newline characters are deleted, leaving the string "ab", which when delimited by newline characters becomes ["ab"].\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= source.length <= 100</code></li>\n\t<li><code>0 <= source[i].length <= 80</code></li>\n\t<li><code>source[i]</code> consists of printable <strong>ASCII</strong> characters.</li>\n\t<li>Every open block comment is eventual
"code":"\n\n/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nchar ** removeComments(char ** source, int sourceSize, int* returnSize){\n\n}",
"__typename":"CodeSnippetNode"
},
{
"lang":"C#",
"langSlug":"csharp",
"code":"public class Solution {\n public IList<string> RemoveComments(string[] source) {\n \n }\n}",
"Carefully parse each line according to the following rules:\r\n\r\n* If we start a block comment and we aren't in a block, then we will skip over the next two characters and change our state to be in a block.\r\n\r\n* If we end a block comment and we are in a block, then we will skip over the next two characters and change our state to be *not* in a block.\r\n\r\n* If we start a line comment and we aren't in a block, then we will ignore the rest of the line.\r\n\r\n* If we aren't in a block comment (and it wasn't the start of a comment), we will record the character we are at.\r\n\r\n* At the end of each line, if we aren't in a block, we will record the line."
],
"solution":null,
"status":null,
"sampleTestCase":"[\"/*Test program */\", \"int main()\", \"{ \", \" // variable declaration \", \"int a, b, c;\", \"/* This is a test\", \" multiline \", \" comment for \", \" testing */\", \"a = b + c;\", \"}\"]",
"envInfo":"{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 17 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\"], \"java\": [\"Java\", \"<p><code> OpenJDK 17 </code>. Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. If you need more libraries, you can import it yourself.</p>\\r\\n\\r\\n<p>For Map/TreeMap data structure, you may use <a href=\\\"http://www.grantjenks.com/docs/sortedcontainers/\\\" target=\\\"_blank\\\">sortedcontainers</a> library.</p>\\r\\n\\r\\n<p>Note that Python 2.7 <a href=\\\"https://www.python.org/dev/peps/pep-0373/\\\" target=\\\"_blank\\\">will not be maintained past 2020</a>. For the latest Python, please choose Python3 instead.</p>\"], \"c\": [\"C\", \"<p>Compiled with <code>gcc 8.2</code> using the gnu99 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level one optimization (<code>-O1</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n\\r\\n<p>For hash table operations, you may use <a href=\\\"https://troydhanson.github.io/uthash/\\\" target=\\\"_blank\\\">uthash</a>. \\\"uthash.h\\\" is included by default. Below are some examples:</p>\\r\\n\\r\\n<p><b>1. Adding an item to a hash.</b>\\r\\n<pre>\\r\\nstruct hash_entry {\\r\\n int id; /* we'll use this field as the key */\\r\\n char name[10];\\r\\n UT_hash_handle hh; /* makes this structure hashable */\\r\\n};\\r\\n\\r\\nstruct hash_entry *users = NULL;\\r\\n\\r\\nvoid add_user(struct hash_entry *s) {\\r\\n HASH_ADD_INT(users, id, s);\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>2. Looking up an item in a hash:</b>\\r\\n<pre>\\r\\nstruct hash_entry *find_user(int user_id) {\\r\\n struct hash_entry *s;\\r\\n HASH_FIND_INT(users, &user_id, s);\\r\\n return s;\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>3. Deleting an item in a hash:</b>\\r\\n<pre>\\r\\nvoid delete_user(struct hash_entry *user) {\\r\\n HASH_DEL(users, user); \\r\\n}\\r\\n</pre>\\r\\n</p>\"], \"csharp\": [\"C#\", \"<p><a href=\\\"https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-9\\\" target=\\\"_blank\\\">C# 10 with .NET 6 runtime</a></p>\\r\\n\\r\\n<p>Your code is compiled with debug flag enabled (<code>/debug</code>).</p>\"], \"javascript\": [\"JavaScript\", \"<p><code>Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES6 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\\r\\n\\r\\n<p>For Priority Queue / Queue data structures, you may use <a href=\\\"https://github.com/datastructures-js/priority-queue\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and <a href=\\\"https: