Equalize Strings by Adding or Removing Characters at Ends

Find Longest Self-Contained Substring

Find the Index of Permutation

Minimize Connected Groups by Inserting Interval

Minimum Number of Increasing Subsequence to Be Removed

Maximum Number of Integers to Choose From a Range II

Minimum Operations to Make Numbers Non-positive

Minimum Time to Eat All Grains

Number of Equal Numbers Blocks

Pour Water Between Buckets to Make Water Levels Equal

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