摘要:
if __name__ == '__main__': import random for i in range(0,10): s = "" for i in range(0, 3): type = random.randint(1, 4) if type == 1: a = random.randi 阅读全文
摘要:
分析: 程序要求: 1、自动生成题目 2、判断答案正确与否 3、可以控制生成题目数量实现步骤 using System; using System.Collections.Generic; using System.Linq; using System.Web;public abstract cla 阅读全文
摘要:
四则运算代码 public class FourFundamentalRules { private static Stack<Character> stack = new Stack<>();//后缀表达式 private static Stack<Character> stack_1 = new 阅读全文