摘要:
322. Coin ChangeTotal Accepted:4182Total Submissions:16210Difficulty:MediumYou are given coins of different denominations and a total amount of moneya... 阅读全文
摘要:
284. Peeking IteratorTotal Accepted:12043Total Submissions:37257Difficulty:MediumGiven an Iterator class interface with methods:next()andhasNext(), de... 阅读全文