题目: 题解:
void reserve(char* s) {int len strlen(s);for (int i 0; i < len / 2; i) {char t s[i];s[i] s[len - i - 1], s[len - i - 1] t;}
}char* addBinary(char* a, char* b) {reserve(a);reserve(b);int len_a strlen(a), len_b st…
class MovingAverage:def __init__(self, size: int):"""Initialize your data structure here."""self.sizesize1self.front0self.rear0self.queue[None for _ in range(size1)]self.sum0def next(self, val: int) -> float:# 满了if (self.…