摘要： 题目：r={0:"国学", 1:"离散数学", 2:"英语", 3:"Photoshop", 4:"java", 5:"高等代数"}学生1的选课=[0,1,3,4]学生2的选课=[2,3,4,5]学生3的选课=[0,1,2,3,4]求这3个学生共同选择了多少门一样的课?写出C#代码。推荐答案一： int[] one = { 0, 1, 3, 4 }; int[] two = { 2, 3, 4, 5 }; int[] three = { 0, 1, 2, 3, 4 }; st 阅读全文