Delete '7.c'

7.c

@@ -1,81 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-// 定义学生结构体
-struct Student {
-    int student_id;
-    int class_id;
-    char name[20];
-    double score1;
-    double score2;
-    double score3;
-};
-
-// 定义全局学生数组
-struct Student student_data[] = {
-    {10001, 11, "Zhang", 99.5, 88.5, 89.5},
-    {10002, 12, "Yang", 77.9, 56.5, 87.5},
-    {10003, 11, "Liang", 92.5, 99.0, 60.5},
-    {10004, 11, "Cai", 89.6, 56.9, 90.5},
-    {10005, 14, "Fu", 55.6, 67.9, 98.9},
-    {10006, 12, "Mao", 22.1, 45.9, 99.2},
-    {10007, 13, "Zhan", 35.6, 67.9, 88.0}
-};
-
-// 定义学生数量
-int student_count = sizeof(student_data) / sizeof(student_data[0]);
-
-// 比较函数用于按班级从小到大，同班级按总成绩从大到小排序
-int compare_students(const void* a, const void* b) {
-    struct Student* student1 = (struct Student*)a;
-    struct Student* student2 = (struct Student*)b;
-
-    if (student1->class_id != student2->class_id) {
-        return student1->class_id - student2->class_id;
-    }
-    else {
-        double total1 = student1->score1 + student1->score2 + student1->score3;
-        double total2 = student2->score1 + student2->score2 + student2->score3;
-        return (total2 - total1) > 0 ? 1 : -1;
-    }
-}
-
-// 查询学生信息函数
-void query_students(int query_type, char* query_value) {
-    for (int i = 0; i < student_count; i++) {
-        struct Student student = student_data[i];
-        double total = student.score1 + student.score2 + student.score3;
-
-        if (query_type == 1 && student.class_id >= query_value[0] && student.class_id <= query_value[2]) {
-            printf("%d %d %s %.1lf %.1lf %.1lf\n", student.student_id, student.class_id, student.name, student.score1, student.score2, student.score3);
-        }
-        else if (query_type == 2 && student.student_id >= query_value[0] && student.student_id <= query_value[2]) {
-            printf("%d %d %s %.1lf %.1lf %.1lf\n", student.student_id, student.class_id, student.name, student.score1, student.score2, student.score3);
-        }
-        else if (query_type == 3 && strncmp(student.name, query_value, strlen(query_value)) == 0) {
-            printf("%d %d %s %.1lf %.1lf %.1lf\n", student.student_id, student.class_id, student.name, student.score1, student.score2, student.score3);
-        }
-        else if (query_type == 4 && total >= atof(query_value)) {
-            printf("%d %d %s %.1lf %.1lf %.1lf\n", student.student_id, student.class_id, student.name, student.score1, student.score2, student.score3);
-        }
-        else if (query_type == 5 && student.class_id == query_value[0] && student.student_id >= query_value[2] && student.student_id <= query_value[4]) {
-            printf("%d %d %s %.1lf %.1lf %.1lf\n", student.student_id, student.class_id, student.name, student.score1, student.score2, student.score3);
-        }
-    }
-}
-
-int main() {
-    int query_type;
-    char query_value[20];
-
-    printf("请输入查询类型和值（格式：类型 值）：");
-    scanf("%d %s", &query_type, query_value);
-
-    // 排序学生信息
-    qsort(student_data, student_count, sizeof(struct Student), compare_students);
-
-    // 查询学生信息
-    query_students(query_type, query_value);
-
-    return 0;
-}