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
func findMinDifference(timePoints []string) int {
	if len(timePoints) > 1440 {
		return 0
	}

	n := len(timePoints)
	nums := make([]int, n+1)
	for i, time := range timePoints {
		parts := strings.Split(time, ":")
		hours, _ := strconv.Atoi(parts[0])
		minutes, _ := strconv.Atoi(parts[1])
		nums[i] = hours*60 + minutes
	}

	sort.Ints(nums[:n])
	nums[n] = nums[0] + 1440

	ans := 1 << 30
	for i := 1; i <= n; i++ {
		ans = min(ans, nums[i]-nums[i-1])
	}

	return ans
}