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| 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/a132.py | |
Init
Diffstat (limited to 'progs/a132.py')
| -rw-r--r-- | progs/a132.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/progs/a132.py b/progs/a132.py new file mode 100644 index 0000000..d179c8a --- /dev/null +++ b/progs/a132.py @@ -0,0 +1,13 @@ +def find_first_occurrence(A, x):
+ (left, right) = (0, len(A) - 1)
+ result = -1
+ while left <= right:
+ mid = (left + right) // 2
+ if x == A[mid]:
+ result = mid
+ right = mid - 1
+ elif x < A[mid]:
+ right = mid - 1
+ else:
+ left = mid + 1
+ return result
\ No newline at end of file |