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/test.py | |
Init
Diffstat (limited to 'progs/test.py')
| -rw-r--r-- | progs/test.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/progs/test.py b/progs/test.py new file mode 100644 index 0000000..f168c9b --- /dev/null +++ b/progs/test.py @@ -0,0 +1,12 @@ +def find_first_duplicate(nums): + num_set = set() + no_duplicate = -1 + + for i in range(len(nums)): + + if nums[i] in num_set: + return nums[i] + else: + num_set.add(nums[i]) + + return no_duplicate
\ No newline at end of file |