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DifficultyTopic21 of 21
No.ProblemDifficultyFrequency
2838Maximum Coins Heroes Can CollectMedium
100.0%
2039The Time When the Network Becomes Idle
Graph
Medium
100.0%
2030Smallest K-Length Subsequence With Occurrences of a Letter
String
Hard
100.0%
2968Apply Operations to Maximize Frequency ScoreHard
100.0%
2141Maximum Running Time of N ComputersHard
100.0%
2137Pour Water Between Buckets to Make Water Levels EqualMedium
100.0%
3068Find the Maximum Sum of Node Values
Linked List
Hard
100.0%
1827Minimum Operations to Make the Array Increasing
Array
Easy
100.0%
2869Minimum Operations to Collect ElementsEasy
100.0%
2735Collecting ChocolatesMedium
87.5%
241Different Ways to Add ParenthesesMedium
75.0%
1Two Sum
Sliding Window
Easy
62.5%
14Longest Common Prefix
DP
Easy
62.5%
121Best Time to Buy and Sell StockEasy
62.5%
977Squares of a Sorted Array
Array
Easy
62.5%
52N-Queens IIHard
62.5%
118Pascal's TriangleEasy
62.5%
805Split Array With Same Average
Array
Hard
62.5%
2552Count Increasing QuadrupletsHard
62.5%
322Coin Change
DP
Medium
62.5%
151Reverse Words in a String
String
Medium
62.5%