From f05d888a0b621ca4e99e2b0fb6e23c097006fe41 Mon Sep 17 00:00:00 2001 From: Santo Cariotti Date: Tue, 28 May 2024 10:29:13 +0200 Subject: Init --- progs/test.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 progs/test.py (limited to 'progs/test.py') 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 -- cgit v1.2.3-18-g5258