diff options
| author | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
|---|---|---|
| committer | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
| commit | f05d888a0b621ca4e99e2b0fb6e23c097006fe41 (patch) | |
| tree | eebbb2489144112d3288393e354d19375a0aa088 /progs/a325.py | |
Init
Diffstat (limited to 'progs/a325.py')
| -rw-r--r-- | progs/a325.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/progs/a325.py b/progs/a325.py new file mode 100644 index 0000000..aaf56a5 --- /dev/null +++ b/progs/a325.py @@ -0,0 +1,13 @@ +def binomial_coeffi(n, k):
+ if (k == 0 or k == n):
+ return 1
+ return (binomial_coeffi(n - 1, k - 1)
+ + binomial_coeffi(n - 1, k))
+def rencontres_number(n, m):
+ if (n == 0 and m == 0):
+ return 1
+ if (n == 1 and m == 0):
+ return 0
+ if (m == 0):
+ return ((n - 1) * (rencontres_number(n - 1, 0)+ rencontres_number(n - 2, 0)))
+ return (binomial_coeffi(n, m) * rencontres_number(n - m, 0))
\ No newline at end of file |