程序有顺序、循环、分支和子程序四种结构形式，分支结构的示意图如图5-1所示。本实验要求通过求无符号字节序列中的最大值和最小值来反映分支程序的结构形式。-The order of procedures, loops, branches and subroutines four structure, branch structure diagram in Figure 5-1. This experiment requires an unsigned byte sequence by calculating the maximum and minimum values to reflect the branching structure of the form.