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| author | James Yoo | 2022-10-24 23:47:51 +0000 |
|---|---|---|
| committer | James Yoo | 2022-10-24 23:47:51 +0000 |
| commit | 03315f012514bdcc5a4f654056f0103abe11eb83 (patch) | |
| tree | 2b7c6e9233ecb503e7be0d8354483691f9a1e16c /entries/ionathanch/fib.f90 | |
| parent | 0921d8222bb883ea86d51c7200a865a5e4dbc469 (diff) | |
| parent | 7ed13a92711a35a9c263c1f53e33e308653ae727 (diff) | |
Merging local with remote main
Diffstat (limited to 'entries/ionathanch/fib.f90')
| -rw-r--r-- | entries/ionathanch/fib.f90 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/entries/ionathanch/fib.f90 b/entries/ionathanch/fib.f90 new file mode 100644 index 0000000..3cf1850 --- /dev/null +++ b/entries/ionathanch/fib.f90 @@ -0,0 +1,21 @@ +PROGRAM main + ! The 93rd Fibonacci number is the largest that fits in 64 bits anyway + CHARACTER(3) :: kth + INTEGER :: k + CALL get_command_argument(1, kth) + READ(kth, *) k + WRITE(*, *) fib(k) +CONTAINS + +PURE RECURSIVE INTEGER*8 FUNCTION fib(k) RESULT(n) + INTEGER, INTENT (IN) :: k + IF (k == 0) THEN + n = 0 + ELSE IF (k == 1) THEN + n = 1 + ELSE + n = fib(k - 1) + fib(k - 2) + END IF +END FUNCTION fib + +END PROGRAM |