subdomain-visit-count

Subdomain Visit Count

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subdomainVisits

A website domain <code>&quot;discuss.leetcode.com&quot;</code> consists of various subdomains. At the top level, we have <code>&quot;com&quot;</code>, at the next level, we have <code>&quot;leetcode.com&quot;</code>&nbsp;and at the lowest level, <code>&quot;discuss.leetcode.com&quot;</code>. When we visit a domain like <code>&quot;discuss.leetcode.com&quot;</code>, we will also visit the parent domains <code>&quot;leetcode.com&quot;</code> and <code>&quot;com&quot;</code> implicitly.

A count-paired domain is a domain that has one of the two formats <code>&quot;rep d1.d2.d3&quot;</code> or <code>&quot;rep d1.d2&quot;</code> where <code>rep</code> is the number of visits to the domain and <code>d1.d2.d3</code> is the domain itself.

<ul>
	<li>For example, <code>&quot;9001 discuss.leetcode.com&quot;</code> is a count-paired domain that indicates that <code>discuss.leetcode.com</code> was visited <code>9001</code> times.</li>
</ul>

Given an array of count-paired domains <code>cpdomains</code>, return an array of the count-paired domains of each subdomain in the input. You may return the answer in any order.

&nbsp;
Example 1:

<pre>
Input: cpdomains = [&quot;9001 discuss.leetcode.com&quot;]
Output: [&quot;9001 leetcode.com&quot;,&quot;9001 discuss.leetcode.com&quot;,&quot;9001 com&quot;]
Explanation: We only have one website domain: &quot;discuss.leetcode.com&quot;.
As discussed above, the subdomain &quot;leetcode.com&quot; and &quot;com&quot; will also be visited. So they will all be visited 9001 times.
</pre>

Example 2:

<pre>
Input: cpdomains = [&quot;900 google.mail.com&quot;, &quot;50 yahoo.com&quot;, &quot;1 intel.mail.com&quot;, &quot;5 wiki.org&quot;]
Output: [&quot;901 mail.com&quot;,&quot;50 yahoo.com&quot;,&quot;900 google.mail.com&quot;,&quot;5 wiki.org&quot;,&quot;5 org&quot;,&quot;1 intel.mail.com&quot;,&quot;951 com&quot;]
Explanation: We will visit &quot;google.mail.com&quot; 900 times, &quot;yahoo.com&quot; 50 times, &quot;intel.mail.com&quot; once and &quot;wiki.org&quot; 5 times.
For the subdomains, we will visit &quot;mail.com&quot; 900 + 1 = 901 times, &quot;com&quot; 900 + 50 + 1 = 951 times, and &quot;org&quot; 5 times.
</pre>

&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= cpdomain.length &lt;= 100</code></li>
	<li><code>1 &lt;= cpdomain[i].length &lt;= 100</code></li>
	<li><code>cpdomain[i]</code> follows either the <code>&quot;repi d1i.d2i.d3i&quot;</code> format or the <code>&quot;repi d1i.d2i&quot;</code> format.</li>
	<li><code>repi</code> is an integer in the range <code>[1, 104]</code>.</li>
	<li><code>d1i</code>, <code>d2i</code>, and <code>d3i</code> consist of lowercase English letters.</li>
</ul>

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