fork download 
  1. #include<stdio.h>
  2. //#include<stdlib.h>
  3. //#include<time.h>
  4. #define TOTAL 87
  5. typedef struct student
  6. {
  7.     int st_id;
  8.     char st_name[10];
  9. } student;
  10. int main(void)
  11. {
  12.     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", 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"};
  13.     int selection[TOTAL] = {0}; //selected or not
  14.     int number;                 //how many numbers to select
  15.     int s;                      //selection[s] == 1 means selected
  16.     int i;                      //loop variable
  17.  
  18.     //printf("The number of students to generate is \n");
  19.     scanf("%d", &number);
  20.  
  21.     srand(time(NULL));
  22.     for (i = 0; i < number; i++)        //loop for generating "number" students
  23.     {
  24.         do
  25.         {
  26.             s = rand() % TOTAL;
  27.         }
  28.         while (selection[s]);           //select only not selected
  29.         selection[s] = 1;               //s is selected
  30.     }
  31.  
  32.     for (i = 0; i < TOTAL; i++)
  33.         if (selection[i])
  34.         {
  35.             printf("%d  %s\n", stu[i].st_id, stu[i].st_name);    //print out if selected
  36.         }
  37.     return 0;
  38. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin 
12
stdout 
2017213072  费启文
2017213080  刘力铭
2017213081  沈鸿瑞
2017213090  骆俊屹
2017213092  姜博川
2017213102  张睿毅
2017213111  宋京印
2017213113  张荣泽
2017213115  王威
2017213116  丁仁杰
2017213118  容柏林
2017213149  祝杰文
https://ideone.com/Ys4ykg
language:
C (gcc 8.3)
created:
5 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!