摘要： 题目如下： A string of '0's and '1's is monotone increasing if it consists of some number of '0's (possibly 0), followed by some number of '1's (also possi 阅读全文

摘要： 题目如下： Your friend is typing his name into a keyboard. Sometimes, when typing a character c, the key might get long pressed, and the character will be 阅读全文