摘要: 不难 class Solution { public: int clumsy(int N) { int i; if(N==3) return 6; if(N==2||N==1) return N; int a=N*(N-1)/(N-2)+N-3; N-=4; int sign=1; long lon 阅读全文
posted @ 2021-04-01 15:56 vdk 阅读(45) 评论(0) 推荐(0)