RosettaCodeData/Task/Fibonacci-sequence/C-sharp/fibonacci-sequence-6.cs
2023-07-01 13:44:08 -04:00

10 lines
232 B
C#

public static IEnumerable<ulong> Fibs(uint x) {
ulong prev = -1;
ulong next = 1;
for (uint i = 0; i < x; i++) {
ulong sum = prev + next;
prev = next;
next = sum;
yield return sum;
}
}