Subtitles & vocabulary
Two Sum - Leetcode 1 - HashMap - Python
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羅元鴻 posted on 2026/04/13Ever wondered how to solve the classic 'Two Sum' problem super fast? This video breaks down the LeetCode 1 challenge using a Python hash map for a super efficient one-pass solution, perfect for boosting your interview prep skills! You'll pick up key vocabulary like 'hash map' and 'linear time' while mastering this essential algorithm.
Video vocabulary
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US /ɛnˈtaɪr/
・
UK /ɪn'taɪə(r)/
- Adjective
- Complete or full; with no part left out; whole
- Undivided; not shared or distributed.
A2TOEIC
More process
US /ˈprɑsˌɛs, ˈproˌsɛs/
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UK /prə'ses/
- Transitive Verb
- To organize and use data in a computer
- To deal with official forms in the way required
- Noun (Countable/Uncountable)
- Dealing with official forms in the way required
- Set of changes that occur slowly and naturally
A2TOEIC
More multiple
US /ˈmʌltəpəl/
・
UK /ˈmʌltɪpl/
- Adjective
- Having or involving more than one of something
- Having or involving several parts, elements, or members.
- Countable Noun
- Number produced by multiplying a smaller number
- A number of identical circuit elements connected in parallel or series.
B1
More constant
US /ˈkɑnstənt/
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UK /'kɒnstənt/
- Adjective
- Happening frequently or without pause
- Remaining the same over time or not changing.
- Noun
- Thing that happens always or at a regular rate
- A physical quantity that is believed to have a fixed value and is used in calculations.
A2TOEIC
More Use Energy
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