摘要:
A/B/C代表输入的字母a/b/c的个数,均为非负整数不能连续出现三个相同的字母求给出可以组成的字长字符串的一个示例 阅读全文
摘要:
Write a function: def solution(A) that, given an array A of N integers, returns the smallest positive integer (greater than 0) that does not occur in 阅读全文