Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China.|Department of Mathematics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China. cpz@hit.edu.cn.|School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, West Dazhi Street, China. jiangqinghua@hit.edu.cn.|College of Computer Science and Technology, Harbin Engineering University, Harbin, Nantong Street, Heilongjiang, 150001, China.|School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Nantong Street, Heilongjiang, 150001, China.