#DailyCodingChallenge Day 257 Task: Count how many original strings Alice could have meant before accidentally holding a key too long. Solution: Group repeating characters, each extra duplicate adds one possible original version, sum all possibilities. #LeetCode

coder_s_Snippet's tweet image. #DailyCodingChallenge
Day 257
Task: Count how many original strings Alice could have meant before accidentally holding a key too long.
Solution: Group repeating characters, each extra duplicate adds one possible original version, sum all possibilities.
#LeetCode

United States Xu hướng
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