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/a511.py | |
Init
Diffstat (limited to 'progs/a511.py')
| -rw-r--r-- | progs/a511.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/progs/a511.py b/progs/a511.py new file mode 100644 index 0000000..8855ae1 --- /dev/null +++ b/progs/a511.py @@ -0,0 +1,14 @@ +def sum_digits_single(x) :
+ ans = 0
+ while x :
+ ans += x % 10
+ x //= 10
+ return ans
+def closest(x) :
+ ans = 0
+ while (ans * 10 + 9 <= x) :
+ ans = ans * 10 + 9
+ return ans
+def sum_digits_twoparts(N) :
+ A = closest(N)
+ return sum_digits_single(A) + sum_digits_single(N - A)
\ No newline at end of file |