标准延迟格式(英语:Standard Delay Format, SDF)是电气电子工程师学会关于集成电路设计中时序描述的标准表达格式.在整个设计流程中,标准延迟格式有着重要的应用,例如静态时序分析和后仿真.SDF在设计中的作用: SDF in the design process Back-Annotation of Timing Data for Design Analysis(STA tool and simulation tool) Forward-Annotation of Timin
Matrix Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 17880 Accepted: 6709 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1