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/a397.py | |
Init
Diffstat (limited to 'progs/a397.py')
| -rw-r--r-- | progs/a397.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/progs/a397.py b/progs/a397.py new file mode 100644 index 0000000..34f81a5 --- /dev/null +++ b/progs/a397.py @@ -0,0 +1,13 @@ +def find_missing(ar,N):
+ l = 0
+ r = N - 1
+ while (l <= r):
+ mid = (l + r) / 2
+ mid= int (mid)
+ if (ar[mid] != mid + 1 and ar[mid - 1] == mid):
+ return (mid + 1)
+ elif (ar[mid] != mid + 1):
+ r = mid - 1
+ else:
+ l = mid + 1
+ return (-1)
\ No newline at end of file |