最优算法的判别与给出特定文法判断其是否为自下而上的递归-Identification and optimal algorithm gives specific grammar determine whether it is a bottom-up recursion

贪吃蛇algorithm using a dialog box to enter Koch curve and angle theta recursion depth n corresponding Koch curve plotted-snakealgorithm using a dialog box to enter Koch curve and angle theta recursion depth n corresponding Koch curve plotted