Leetcode Problem 846. Hand of Straights
Leetcode Solutions
Using a hashmap and sorting
- Check if the total number of cards is divisible by
groupSize. If not, return false. - Create a hashmap to count the occurrences of each card.
- Sort the hand in ascending order.
- Iterate through the sorted hand. a. If the current card's count is 0, continue to the next card. b. Try to form a group starting with the current card. c. For each number in the group, check if it exists in the hashmap. d. If any number is missing or has a count of 0, return false. e. Decrement the count of each number in the group from the hashmap.
- If all groups are successfully formed, return true.
Greedy Approach with Queue
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