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Problems

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Difficulty
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10057
Tree PreOrder Traversal
10058
Breadth First Search 0-1-2
Very easy
10059
Tree InOrder Traversal
10060
Tree PostOrder Traversal
Easy
10061
Tree Minimum element
10062
Tree Maximum element
10063
Tree Find
10064
Tree Sum of elements
10072
Only there wouldn't be simple ones
Very hard
10073
T1. Calculator EТ
Very easy
10074
T2. Individualistic
Easy
10075
T3. Spiral T
Easy
10076
T4. If only one differs
Easy
10077
T5. Only two different
Very easy
10078
T6. Less often than others
Very easy
10079
T7. More often than others
10080
T8. Spiral TT
Easy
10081
T9. Spiral TTT
Easy
10082
Shortest even path
Very easy
10100
Pythagoras's Revenge
Easy
10108
Tree Same
10109
Tree Minimum depth
10110
Tree Maximum depth
10111
Tree Sum of left leaves
10112
Tree Balanced
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