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jelasin 的学生作业:

#include #include #include #include #define RED "\033[31m" #define NONE "\033[0m" // 写出下列类型的创建,判满,插入输出 #define MAX 10 //实际学⽣的存储 struct student { char name[20]; int id; int age; }; typedef struct student datatype_t; typedef struct{ datatype_t buf[MAX]; //定义数组记录班级学⽣每个学⽣的信息。 int n; //学⽣实际到来的个数。 }seqlist_t; seqlist_t *create_empty_seqlist() { seqlist_t * l = (seqlist_t *)malloc(sizeof(seqlist_t)); if (NULL == l) { perror(RED "[-] malloc error when create_empty_seqlist" NONE); return NULL; } memset(l, '\x00', sizeof(seqlist_t)); l->n = 0; return l; } bool is_full_seqlist(seqlist_t *l) { return l->n >= MAX ? true : false; } void insert_data_seqlist(seqlist_t *l, datatype_t data) { if (is_full_seqlist(l)) { printf(RED "[*]The list is full, cannot insert data.\n" NONE); return; } l->buf[l->n] = data; l->n++; return; } void printf_data_seqlist(seqlist_t *l) { for (int i = 0; i n; i++) { printf("Name: %s, ID: %d, Age: %d\n", l->buf[i].name, l->buf[i].id, l->buf[i].age); } return; } void destroy_seqlist(seqlist_t *l) { free(l); l = NULL; return; } int main(int argc, char const *argv[]) { setbuf(stdout, NULL); seqlist_t *list = create_empty_seqlist(); datatype_t student1 = {"Alice", 1, 20}; insert_data_seqlist(list, student1); datatype_t student2 = {"Bob", 2, 21}; insert_data_seqlist(list, student2); datatype_t student3 = {"him", 3, 22}; insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); insert_data_seqlist(list, student3); printf_data_seqlist(list); insert_data_seqlist(list, student3); destroy_seqlist(list); return 0; } ➜ 1 ./main Name: Alice, ID: 1, Age: 20 Name: Bob, ID: 2, Age: 21 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 Name: him, ID: 3, Age: 22 [*]The list is full, cannot insert data.

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