You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.8 KiB
86 lines
2.8 KiB
2 years ago
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#define MAX_LEN 10 // 字符串最大长度
|
||
|
|
#define STU_NUM 30 // 最多的学生人数
|
||
|
|
#define COURSE_NUM 6 // 最多的考试科目数
|
||
|
|
typedef struct student
|
||
|
|
{
|
||
|
|
long num; // 每个学生的学号
|
||
|
|
char name[MAX_LEN]; // 每个学生的姓名
|
||
|
|
float score[COURSE_NUM]; // 每个学生COURSE_NUM门功课的成绩
|
||
|
|
float sum; // 每个学生的总成绩
|
||
|
|
float aver; // 每个学生的平均成绩
|
||
|
|
}STU;
|
||
|
|
int Menu(void);
|
||
|
|
void ReadScore(STU stu[], int n, int m);
|
||
|
|
void AverSumofEveryStudent(STU stu[], int n, int m);
|
||
|
|
void AverSumofEveryCourse(STU stu[], int n, int m);
|
||
|
|
void SortbyScore(STU stu[],int n,int m,int (*compare)(float a,float b));
|
||
|
|
int Ascending(float a, float b);
|
||
|
|
int Descending(float a, float b);
|
||
|
|
void SwapFloat(float *x, float *y);
|
||
|
|
void SwapLong(long *x, long *y);
|
||
|
|
void SwapChar(char x[], char y[]);
|
||
|
|
void AsSortbyNum(STU stu[], int n, int m);
|
||
|
|
void SortbyName(STU stu[], int n, int m);
|
||
|
|
void SearchbyNum(STU stu[], int n, int m);
|
||
|
|
void SearchbyName(STU stu[], int n, int m);
|
||
|
|
void StatisticAnalysis(STU stu[], int n, int m);
|
||
|
|
void PrintScore(STU stu[], int n, int m);
|
||
|
|
void WritetoFile(STU record[], int n, int m);
|
||
|
|
void ReadfromFile(STU record[], int *n, int *m);
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
char ch;
|
||
|
|
int n = 0, m = 0;
|
||
|
|
STU stu[STU_NUM];
|
||
|
|
printf("Input student number(n<%d):", STU_NUM);
|
||
|
|
scanf("%d", &n);
|
||
|
|
printf("Input course number(m<=%d):",COURSE_NUM);
|
||
|
|
scanf("%d", &m);
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
ch = Menu(); // 显示菜单，并读取用户输入
|
||
|
|
switch (ch)
|
||
|
|
{
|
||
|
|
case 1:ReadScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 2: AverSumofEveryCourse(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 3: AverSumofEveryStudent(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 4: SortbyScore(stu, n, m, Descending);
|
||
|
|
printf("\nSort in descending order by score:\n");
|
||
|
|
PrintScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 5: SortbyScore(stu, n, m, Ascending);
|
||
|
|
printf("\nSort in ascending order by score:\n");
|
||
|
|
PrintScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 6: AsSortbyNum(stu, n, m);
|
||
|
|
printf("\nSort in ascending order by number:\n");
|
||
|
|
PrintScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 7: SortbyName(stu, n, m);
|
||
|
|
printf("\nSort in dictionary order by name:\n");
|
||
|
|
PrintScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 8: SearchbyNum(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 9: SearchbyName(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 10: StatisticAnalysis(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 11:PrintScore(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 12:WritetoFile(stu, n, m);
|
||
|
|
break;
|
||
|
|
case 13:ReadfromFile(stu, &n, &m);
|
||
|
|
break;
|
||
|
|
case 0: printf("End of program!");
|
||
|
|
exit(0);
|
||
|
|
default:printf("Input error!");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;}
|