PAT甲级1001 A+B Format (20分)|C++实现 PAT甲级1002 A+B for Polynomials(25分) |C++实现 PAT甲级1003 Emergency (25分)|C++实现 PAT甲级1004 Counting Leaves (30分)|C++实现 PAT甲级1005 Spell It Right (20分)|C++实现
