Minimum Time Difference
Given a list of 24-hour clock time points in <strong>&quot;HH:MM&quot;</strong> format, return <em>the minimum <b>minutes</b> difference between any two time-points in the list</em>.

<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre><strong>Input:</strong> timePoints = ["23:59","00:00"]
<strong>Output:</strong> 1
</pre><p><strong class="example">Example 2:</strong></p>
<pre><strong>Input:</strong> timePoints = ["00:00","23:59","00:00"]
<strong>Output:</strong> 0
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>

<ul>
	<li><code>2 &lt;= timePoints.length &lt;= 2 * 10<sup>4</sup></code></li>
	<li><code>timePoints[i]</code> is in the format <strong>&quot;HH:MM&quot;</strong>.</li>
</ul>
Array; Math; String; Sorting
class Solution {
    func findMinDifference(_ timePoints: [String]) -> Int {
        if timePoints.count > 1440 {
            return 0
        }

        var nums = [Int]()

        for t in timePoints {
            let time = t.split(separator: ":").map { Int($0)! }
            nums.append(time[0] * 60 + time[1])
        }

        nums.sort()
        nums.append(nums[0] + 1440)

        var ans = Int.max
        for i in 1..<nums.count {
            ans = min(ans, nums[i] - nums[i - 1])
        }

        return ans
    }
}