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Sum of Left Leaves
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Input
Example 1 (sum=24)
Example 2 (sum=4)
Single Node (sum=0)
Custom
tree
=
[3, 9, 20, null, null, 15, 7]
3
9
20
15
7
algo
master
.
io
Step:
Start: Find the sum of all left leaves
0 / 16
Input
Example 1 (sum=24)
Example 2 (sum=4)
Single Node (sum=0)
Custom
tree
=
[3, 9, 20, null, null, 15, 7]
0 / 16
3
9
20
15
7
algo
master
.
io
Step:
Start: Find the sum of all left leaves
