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Swap Nodes in Pairs
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Input
Even length
Odd length
Single node
Empty list
Three pairs
Custom
values
=
[1, 2, 3, 4]
1
2
3
4
algo
master
.
io
Step:
Start of algorithm
Variable
Value
values
[1,2,3,4]
head
"Node(1)"
dummy
-
Variable
Value
prev
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first
-
second
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0 / 12
Input
Even length
Odd length
Single node
Empty list
Three pairs
Custom
values
=
[1, 2, 3, 4]
0 / 12
1
2
3
4
algo
master
.
io
Step:
Start of algorithm
Visualization
Variables
