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Tripadvisor

4 questions tracked4 with solutions
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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 4 of 4 questions

1
EasyFind Common Characters✓ Our Solution
100
ArrayHash TableString
LeetCode ↗75% acc.
2
EasyValid Parentheses✓ Our Solution
89
StringStack
LeetCode ↗42% acc.
3
MediumLRU Cache✓ Our Solution
75
Hash TableLinked ListDesignDoubly-Linked List
LeetCode ↗45% acc.
4
EasyBest Time to Buy and Sell Stock✓ Our Solution
66
ArrayDynamic Programming
LeetCode ↗55% acc.