摘要：
luogu3389 https://www.luogu.org/problemnew/show/3389 板子题 BZOJ1013 http://www.lydsy.com/JudgeOnline/problem.php?id=1013 然后用1~n式减去(n+1)式，得到n个式子，x2和r2均被消 阅读全文
摘要：
#define DEFAULT_CAPACITY 3 typedef int Rank; class Fib { private: int f, g; public: Fib( int n ) { f = 1; g = 0; while( g class Vector { protected: Rank _size; int _capacity; T* _elem; ... 阅读全文