Problems library (weekly updates)

Question
Count Nice Pairs in an Array
Maximum Number of Groups Getting Fresh Donuts
Minimum Absolute Sum Difference
Number of Different Subsequences GCDs
Sign of the Product of an Array
Find the Winner of the Circular Game
Minimum Operations to Make the Array Increasing
Minimum Number of Operations to Make String Sorted
Check if the Sentence Is Pangram
Maximum Ice Cream Bars
Sum of Digits in Base K
Frequency of the Most Frequent Element
Longest Substring of All Vowels in Order
Replace All Digits with Characters
Maximum Element After Decreasing and Rearranging
Splitting a String Into Descending Consecutive Values
Minimum Adjacent Swaps to Reach the Kth Smallest Number
Sorting the Sentence
Sum of Floored Pairs
Sum of All Subset XOR Totals
Minimum Number of Swaps to Make the Binary String Alternating
Longer Contiguous Segments of Ones than Zeros
Stone Game VIII
Substrings of Size Three with Distinct Characters
Maximum Value after Insertion
Egg Drop With 2 Eggs and N Floors
Minimum Number of Flips to Make the Binary String Alternating
Find the Student that Will Replace the Chalk
Largest Odd Number in String
Remove One Element to Make the Array Strictly Increasing