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9655
Mr. Nine and his love for mangoes
Very easy
10057
Tree PreOrder Traversal
10060
Tree PostOrder Traversal
Easy
10064
Tree Sum of elements
10108
Tree Same
10110
Tree Maximum depth
10113
Tree Sum of leaves
10115
Tree Symmetric
10146
Tree Next
10158
Find the centroid
Very easy
10159
Building a Decomposition
Easy
10161
IOI
Medium
10162
XOR
10289
Milk Visits (Silver)
10367
Cowntagion
10415
New Barns
10427
Cow at Large (Platinum)
Easy
10432
Sum of leaves
Very easy
10448
Bandits in the Tree
Very hard
10503
Mr. V
Medium
10553
Promotion Counting
Easy
10653
XOR Sum
Very easy
10654
Unique Color
Very easy
10655
Virus Tree 2
Very easy
10667
Intervals on Tree
Very easy
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