第一题 矩阵相乘 python暴力只过38%,然后用numpy过了,狗头保命。 import numpy as np def main(): m, k, n = [int(_) for _ in input().split()] A, B = [], [] for i in range(m): A.append([int(_) for _ in input().split()]) for i in range(k): B.append([int(_) for _ in input().split()]) A = np....