1 #include <stdio.h>
 2 #include <stdlib.h>
 3 
 4 struct student{
 5     int num;
 6     char str[20];
 7     double dec;
 8 };
 9 
10 
11 int main(){
12 
13     int n;
14     struct student stu[10];
15     
16     scanf("%d", &n);
17     for(int i = 0; i < n; ++i){
18         scanf("%d%s%lf", &stu[i].num, stu[i].str, &stu[i].dec);
19     }
20 
21     printf("%d\n", n);
22     for(int i = 0; i < n; ++i){
23         printf("%d %s %lf\n", stu[i].num, stu[i].str, stu[i].dec);
24     }
25     return 0;
26 }
27 /*
28 3
29 20 字符串0 20.02
30 21 字符串1 21.12
31 22 字符串2 22.22
32 */