diff options
Diffstat (limited to 'progs/a709.py')
| -rw-r--r-- | progs/a709.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/progs/a709.py b/progs/a709.py new file mode 100644 index 0000000..7a8d089 --- /dev/null +++ b/progs/a709.py @@ -0,0 +1,6 @@ +def zigzag(n, k):
+ if (n == 0 and k == 0):
+ return 1
+ if (k == 0):
+ return 0
+ return zigzag(n, k - 1) + zigzag(n - 1, n - k)
\ No newline at end of file |