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authorSanto Cariotti <santo@dcariotti.me>2024-05-28 10:29:13 +0200
committerSanto Cariotti <santo@dcariotti.me>2024-05-28 10:29:13 +0200
commitf05d888a0b621ca4e99e2b0fb6e23c097006fe41 (patch)
treeeebbb2489144112d3288393e354d19375a0aa088 /progs/a385.py
Init
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-rw-r--r--progs/a385.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/progs/a385.py b/progs/a385.py
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+++ b/progs/a385.py
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+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