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 int main(){
11 int n;
12 struct student *stu;
13
14 scanf("%d", &n);
15 stu = (struct student *)malloc(n * sizeof(struct student));
16
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
26 free(stu);
27 return 0;
28 }
29 /*
30 3
31 20 字符串0 20.02
32 21 字符串1 21.12
33 22 字符串2 22.22
34 */
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