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DifficultyTopic19 of 19
No.ProblemDifficultyFrequency
1234Replace the Substring for Balanced String
StringTree
Medium
100.0%
2422Merge Operations to Turn Array Into a Palindrome
ArrayString
Medium
87.5%
3819Rotate Non Negative ElementsMedium
87.5%
1Two Sum
Sliding Window
Easy
75.0%
3Longest Substring Without Repeating Characters
StringTree
Medium
75.0%
5Longest Palindromic Substring
StringTree
Medium
62.5%
70Climbing StairsEasy
62.5%
735Asteroid CollisionMedium
62.5%
134Gas StationMedium
62.5%
321Create Maximum Number
Math
Hard
62.5%
322Coin Change
DP
Medium
62.5%
80Remove Duplicates from Sorted Array II
Array
Medium
50.0%
11Container With Most WaterMedium
50.0%
121Best Time to Buy and Sell StockEasy
50.0%
2Add Two Numbers
Math
Medium
50.0%
1654Minimum Jumps to Reach HomeMedium
50.0%
49Group Anagrams
String
Medium
50.0%
53Maximum Subarray
Array
Medium
50.0%
283Move ZeroesEasy
50.0%