#include<stdio.h>
//#include<stdlib.h>
//#include<time.h>
#define TOTAL 88
typedef struct student
{
    int st_id;
    char st_name[10];
} student;
int main(void)
{
    student stu[TOTAL] = {2017213063, "闫思伊", 2017213064, "胡靖", 2017213065, "李宁晏", 2017213066, "于晓艺", 2017213067, "鞠柠谣", 2017213068, "傅宁熙", 2017213069, "王一帆", 2017213070, "王洲洋", 2017213071, "贡辰锋", 2017213072, "费启文", 2017213073, "侯伯", 2017213074, " 刘睿轩", 2017213075, "吴童", 2017213076, "许轩铭", 2017213077, "郭笑通", 2017213078, "马冀", 2017213079, "翁怀远", 2017213080, "刘力铭", 2017213081, "沈鸿瑞", 2017213082, "康凯", 2017213083, "刘鹏", 2017213084, "林韬", 2017213085, "郝则嘉", 2017213086, "张家祺", 2017213087, "黄洛轩", 2017213088, "叶子瑞", 2017213089, "李沐春", 2017213090, "骆俊屹", 2017213091, "杜瑞年", 2017213092, "姜博川", 2017213093, "李欣禹", 2017213094, "杨喆璨", 2017213095, "安婧仪", 2017213096, "吕月", 2017213097, "柴雨彤", 2017213098, "范欣然", 2017213099, "陈昱璇", 2017213100, "高镜云", 2017213101, "崔文谦", 2017213102, "张睿毅", 2017213103, "谢玉涵", 2017213104, "李永昶", 2017213105, "马齐徽", 2017213106, "石培元", 2017213107, "张绮洲", 2017213108, "苗靖", 2017213109, "靳宇钧", 2017213110, "辛沐恒", 2017213111, "宋京印", 2017213113, "张荣泽", 2017213114, "古铭君", 2017213115, "王威", 2017213116, "丁仁杰", 2017213117, "刘时雷", 2017213118, "容柏林", 2017213119, "吴宇阳", 2017213120, "范航", 2017213121, "柏皓然", 2017213122, "闵士尧", 2017213123, "秦子原", 2017213124, "刘喆", 2017213125, "王仪琳", 2017213126, "余涵", 2017213127, "何含玥", 2017213128, "夏雨琴", 2017213129, "罗心怡", 2017213130, "欧阳鸣飞", 2017213131, "孟鹤卿", 2017213132, "施轩", 2017213133, "林麒", 2017213134, "刘澄宇", 2017213135, "李啸东", 2017213136, "彭嘉轩", 2017213137, "王广平", 2017213138, "徐浩轩", 2017213139, "胡振铭", 2017213140, "张博广", 2017213141, "刘至诚", 2017213142, "池晓威", 2017213143, "刘文龙", 2017213144, "宋逸斐", 2017213145, "张小博", 2017213146, "殷实", 2017213147, "林佑光", 2017213148, "明思宇", 2017213149, "祝杰文", 2017213150, "崔展博", 2017213151, "张增煊"};
    int selection[TOTAL] = {0}; //selected or not
    int number;                 //how many numbers to select
    int s;                      //selection[s] == 1 means selected
    int i;                      //loop variable
 
    //printf("The number of students to generate is \n");
    scanf("%d", &number);
 
    srand(time(NULL));
    for (i = 0; i < number; i++)        //loop for generating "number" students
    {
        do
        {
            s = rand() % TOTAL;
        }
        while (selection[s]);           //select only not selected
        selection[s] = 1;               //s is selected
    }
 
    for (i = 0; i < TOTAL; i++)
        if (selection[i])
        {
            printf("%d  %s\n", stu[i].st_id, stu[i].st_name);    //print out if selected
        }
    return 0;
}

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MA==

Standard input is empty