youxiandechilun

摘要： #include <iostream>using namespace std; struct Node{ int data; Node* next;}; struct List{ Node* head; int length;}; int main() { List L; L.head = null 阅读全文

摘要： #include<iostream>using namespace std; long long f(long long a){ long long day=0; if(a<=5) { return 1; } else { a=a-5; day+=1; while(1) { day+=a/4; if 阅读全文