Split a list into multiple lists at increasing sequence broken

Question

I\'ve a List of int and I want to create multiple List after splitting the original list when a lower or same number is found. Numbers are not in sorted order.<

Answer 1

You can do it with Linq using the index to calculate the group:

var result = data.Select((n, i) => new { N = n, G = (i > 0 && n > data[i - 1] ? data[i - 1] + 1 : n) - i })
                 .GroupBy(a => a.G)
                 .Select(g => g.Select(n => n.N).ToArray())
                 .ToArray();