摘要：\(f_i = f_{i - 1} + f_{i - 3}\) #include <iostream> #include <cstdio> #include <cstring> using namespace std; const int N = 500; struct INT { int a[N] 阅读全文

摘要：目前缺少高精减低精 #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int N = 1e5; struct INT { int a[N]; 阅读全文