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Contains Duplicate
Bookmark
Input
Has Duplicate
No Duplicate
Immediate Duplicate
Custom
nums
=
[1, 2, 3, 1]
1
2
3
1
0
1
2
3
seen
(empty)
remember every value in a hash set as you scan
algo
master
.
io
Step:
Scan left to right, remembering every value in a hash set
0 / 14
Input
Has Duplicate
No Duplicate
Immediate Duplicate
Custom
nums
=
[1, 2, 3, 1]
0 / 14
1
2
3
1
0
1
2
3
seen
(empty)
remember every value in a hash set as you scan
algo
master
.
io
Step:
Scan left to right, remembering every value in a hash set
