1.并且找出其中有不及格课程的学生及学号

2.一个指向结构体变量的指针 的问题

3.候选人得票的统计程序，设有3个候选人，每次输入一个得票的候选

4.请输入星期几的第一个字母来判断一下是星期几，如果第一个字母一样

5.有一个已经排好序的数组。现输入一个数，要求按原来的规律将它插入-1. And failed to identify which students and school curriculum 2. A point to the structure of the pointer variable 3. The statistical procedures for candidates with three candidates, a vote for each candidate input 4 . Please enter the day of the week to the first letter of the week to determine what, if the first letter of the same 5. there is a sequence has a good array row. Now enter a number of requirements in accordance with the laws of the original insert it