You can not select more than 25 topics Topics must start with a chinese character,a letter or number, can include dashes ('-') and can be up to 35 characters long.

main.cc 889 B

12345678910111213141516171819202122232425262728293031
  1. #include "../checker.h"
  2. // READ: 析构函数 <https://zh.cppreference.com/w/cpp/language/destructor>
  3. // READ: RAII <https://learn.microsoft.com/zh-cn/cpp/cpp/object-lifetime-and-resource-management-modern-cpp?view=msvc-170>
  4. // 构造任意缓存容量的斐波那契类型。
  5. // 可以在构造时传入缓存容量,因此需要动态分配缓存空间。
  6. class DynFibonacci {
  7. size_t *cache;
  8. int cached;
  9. public:
  10. // TODO: 实现动态设置容量的构造器
  11. DynFibonacci(int capacity) {}
  12. // TODO: 实现析构器,释放缓存空间
  13. ~DynFibonacci() {}
  14. // TODO: 实现正确的缓存优化斐波那契计算
  15. size_t get(int i) {
  16. }
  17. };
  18. int main(int argc, char **argv) {
  19. DynFibonacci fib(12);
  20. ASSERT(fib.get(10) == 55, "fibonacci(10) should be 55");
  21. std::cout << "fibonacci(10) = " << fib.get(10) << std::endl;
  22. return 0;
  23. }

计算机大作业