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Contains Duplicate II
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Input
Example 1
Example 2
Example 3
Custom
nums
=
[1, 2, 3, 1]
,
k
=
3
1
2
3
1
0
1
2
3
Hash Map (num → index)
k = 3
algo
master
.
io
Step:
Check if any duplicate exists within distance k = 3
0 / 15
Input
Example 1
Example 2
Example 3
Custom
nums
=
[1, 2, 3, 1]
,
k
=
3
0 / 15
1
2
3
1
0
1
2
3
Hash Map (num → index)
k = 3
algo
master
.
io
Step:
Check if any duplicate exists within distance k = 3
