【JAVA】1002 A+B for Polynomials (25分) PAT甲级 PAT (Advanced Level) Practice

1002 A+B for Polynomials (25分) This time, you are supposed to find A+B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: K N1N_1N1​ aN1a_N1aN​1 N2N_2N2​ aN2a_N2aN​2... NKN_