1function timeToMinutes(time) {
2    const [hours, minutes] = time.split(':').map(Number);
3    return hours * 60 + minutes;
4}
5
6function findMinDifference(timePoints) {
7    const minutes = timePoints.map(timeToMinutes);
8    minutes.sort((a, b) => a - b);
9
10    let minDiff = Infinity;
11    for (let i = 1; i < minutes.length; i++) {
12        minDiff = Math.min(minDiff, minutes[i] - minutes[i - 1]);
13    }
14
15    const wrapAroundDiff = minutes[0] + 1440 - minutes[minutes.length - 1];
16    minDiff = Math.min(minDiff, wrapAroundDiff);
17
18    return minDiff;
19}
20
21// Example usage:
22const timePoints = ["23:59", "00:00"];
23console.log(findMinDifference(timePoints));

1using System.Collections.Generic;

public class MinimumTimeDifference {
    private static int TimeToMinutes(string time) {
        int hours = int.Parse(time.Substring(0, 2));
        int minutes = int.Parse(time.Substring(3, 2));
        return hours * 60 + minutes;
    }

    public static int FindMinDifference(IList<string> timePoints) {
        bool[] minutes = new bool[1440];
        foreach (var time in timePoints) {
            int minute = TimeToMinutes(time);
            if (minutes[minute]) return 0;
            minutes[minute] = true;
        }

        int first = -1, last = -1, prev = -1, minDiff = 1440;
        for (int i = 0; i < 1440; ++i) {
            if (minutes[i]) {
                if (first == -1) first = i;
                if (prev != -1) minDiff = Math.Min(minDiff, i - prev);
                prev = i;
                last = i;
            }
        }
        minDiff = Math.Min(minDiff, first + 1440 - last);

        return minDiff;
    }

    public static void Main() {
        List<string> timePoints = new List<string> { "23:59", "00:00" };
        Console.WriteLine(FindMinDifference(timePoints));
    }
}