def matrix_vector_dot_product(matrix, vector): if len(matrix[0]) != len(vector): return -1 return [sum(x * y for x, y in zip(row, vector)) for row in matrix] # 主程序 if __name__ == "__main__": # 输入矩阵和向量 matrix_input = input() vector_input = input() # 处理输入 import ast matrix = ast.literal_eval...
