"content":"<p>You have the four functions:</p>\n\n<ul>\n\t<li><code>printFizz</code> that prints the word <code>"fizz"</code> to the console,</li>\n\t<li><code>printBuzz</code> that prints the word <code>"buzz"</code> to the console,</li>\n\t<li><code>printFizzBuzz</code> that prints the word <code>"fizzbuzz"</code> to the console, and</li>\n\t<li><code>printNumber</code> that prints a given integer to the console.</li>\n</ul>\n\n<p>You are given an instance of the class <code>FizzBuzz</code> that has four functions: <code>fizz</code>, <code>buzz</code>, <code>fizzbuzz</code> and <code>number</code>. The same instance of <code>FizzBuzz</code> will be passed to four different threads:</p>\n\n<ul>\n\t<li><strong>Thread A:</strong> calls <code>fizz()</code> that should output the word <code>"fizz"</code>.</li>\n\t<li><strong>Thread B:</strong> calls <code>buzz()</code> that should output the word <code>"buzz"</code>.</li>\n\t<li><strong>Thread C:</strong> calls <code>fizzbuzz()</code> that should output the word <code>"fizzbuzz"</code>.</li>\n\t<li><strong>Thread D:</strong> calls <code>number()</code> that should only output the integers.</li>\n</ul>\n\n<p>Modify the given class to output the series <code>[1, 2, "fizz", 4, "buzz", ...]</code> where the <code>i<sup>th</sup></code> token (<strong>1-indexed</strong>) of the series is:</p>\n\n<ul>\n\t<li><code>"fizzbuzz"</code> if <code>i</code> is divisible by <code>3</code> and <code>5</code>,</li>\n\t<li><code>"fizz"</code> if <code>i</code> is divisible by <code>3</code> and not <code>5</code>,</li>\n\t<li><code>"buzz"</code> if <code>i</code> is divisible by <code>5</code> and not <code>3</code>, or</li>\n\t<li><code>i</code> if <code>i</code> is not divisible by <code>3</code> or <code>5</code>.</li>\n</ul>\n\n<p>Implement the <code>FizzBuzz</code> class:</p>\n\n<ul>\n\t<li><code>FizzBuzz(int n)</code> Initializes the object with the number <code>n</code> that represents the length of the sequence that should be printed.</li>\n\t<li><code>void fizz(printFizz)</code> Calls <code>printFizz</code> to output <code>"fizz"</code>.</li>\n\t<li><code>void buzz(printBuzz)</code> Calls <code>printBuzz</code> to output <code>"buzz"</code>.</li>\n\t<li><code>void fizzbuzz(printFizzBuzz)</code> Calls <code>printFizzBuzz</code> to output <code>"fizzbuzz"</code>.</li>\n\t<li><code>void number(printNumber)</code> Calls <code>printnumber</code> to output the numbers.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<pre><strong>Input:</strong> n = 15\n<strong>Output:</strong> [1,2,\"fizz\",4,\"buzz\",\"fizz\",7,8,\"fizz\",\"buzz\",11,\"fizz\",13,14,\"fizzbuzz\"]\n</pre><p><strong class=\"example\">Example 2:</strong></p>\n<pre><strong>Input:</strong> n = 5\n<strong>Output:</strong> [1,2,\"fizz\",4,\"buzz\"]\n</pre>\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 50</code></li>\n</ul>\n",
"envInfo":"{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 20 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 gnu11 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://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-10\\\" target=\\\"_blank\\\">C# 10 with .NET 6 runtime</a></p>\"], \"python3\": [\"Python3\", \"<p><code>Python 3.10</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <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>. 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\\\"
