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DifficultyTopic37 of 37
No.ProblemDifficultyFrequency
179Largest Number
Math
Medium
100.0%
283Move ZeroesEasy
75.0%
2130Maximum Twin Sum of a Linked List
Linked List
Medium
75.0%
54Spiral Matrix
Array
Medium
75.0%
2074Reverse Nodes in Even Length Groups
Linked List
Medium
75.0%
2181Merge Nodes in Between Zeros
Linked List
Medium
62.5%
2134Minimum Swaps to Group All 1's Together IIMedium
62.5%
2824Count Pairs Whose Sum is Less than TargetEasy
62.5%
25Reverse Nodes in k-Group
Linked List
Hard
62.5%
2415Reverse Odd Levels of Binary Tree
Tree
Medium
62.5%
513Find Bottom Left Tree Value
Tree
Medium
62.5%
1448Count Good Nodes in Binary Tree
TreeLinked List
Medium
62.5%
402Remove K Digits
Math
Medium
62.5%
739Daily TemperaturesMedium
62.5%
1026Maximum Difference Between Node and Ancestor
Linked List
Medium
62.5%
49Group Anagrams
String
Medium
62.5%
226Invert Binary Tree
Tree
Easy
62.5%
875Koko Eating BananasMedium
62.5%
617Merge Two Binary Trees
Tree
Easy
62.5%
1315Sum of Nodes with Even-Valued Grandparent
DPLinked List
Medium
62.5%
21Merge Two Sorted ListsEasy
62.5%
328Odd Even Linked List
Linked List
Medium
62.5%
1325Delete Leaves With a Given ValueMedium
62.5%
61Rotate ListMedium
62.5%
2606Find the Substring With Maximum Cost
StringTree
Medium
50.0%
114Flatten Binary Tree to Linked List
TreeLinked List
Medium
50.0%
19Remove Nth Node From End of List
Linked List
Medium
50.0%
132Palindrome Partitioning II
StringDP
Hard
50.0%
33Search in Rotated Sorted Array
ArrayBinary Search
Medium
50.0%
515Find Largest Value in Each Tree Row
Tree
Medium
50.0%
84Largest Rectangle in HistogramHard
50.0%
463Island Perimeter
Graph
Easy
50.0%
70Climbing StairsEasy
50.0%
929Unique Email AddressesEasy
50.0%
102Binary Tree Level Order Traversal
Tree
Medium
50.0%
560Subarray Sum Equals K
Array
Medium
50.0%
863All Nodes Distance K in Binary Tree
TreeLinked List
Medium
50.0%