CMIS/s2.c

#include <stdio.h>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9> 
typedef struct {
    int student_id;
    float math_grade;
    float physics_grade;
    float english_grade;
    float total_grade;
} Student;

//¼<><C2BC>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD>Ϣ 
void inputInfo() {
    printf("Please input info of the three students:\n");

    Student students[3];

    for (int i = 0; i < 3; i++) {
        //<2F><>ʵ<EFBFBD><CAB5>printfע<66><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2>ʲô<CAB2><C3B4><EFBFBD><EFBFBD>  
        //printf("ID"); 
        scanf("%d", &students[i].student_id);
        //printf("math grade");
        scanf("%f", &students[i].math_grade);
        //printf("physics grade");
        scanf("%f", &students[i].physics_grade);
        //printf("english grade");
        scanf("%f", &students[i].english_grade);

        students[i].total_grade = students[i].math_grade + students[i].physics_grade + students[i].english_grade;

    }

    // <20><><EFBFBD><EFBFBD> 
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 2 - i; j++) {
            if (students[j].total_grade > students[j + 1].total_grade) {
            
                Student temp = students[j];
                students[j] = students[j + 1];
                students[j + 1] = temp;
            }
        }
    }

    //<2F><><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7>  <20><><EFBFBD><EFBFBD>  <20><><EFBFBD><EFBFBD>  Ӣ<><D3A2>  <20>ܳɼ<DCB3> 
    for (int i = 0; i < 3; i++) {
        printf("%d  %.1f  %.1f  %.1f  %.1f\n", students[i].student_id, students[i].math_grade,students[i].physics_grade,students[i].english_grade,students[i].total_grade);
    }
}

void outputInfo() {
    printf("You are trying to Output info.\n");
}

void makeOrdered() {
    printf("You are trying to Make things ordered.\n");
}

//<2F>˵<EFBFBD> 
int main() {
    char choice;

    printf("Main Menu:\n");
    printf("%30s 1.Input\n", "");
    printf("%30s 2.Output\n", "");
    printf("%30s 3.Order\n", "");
    printf("%30s 4.Quit\n", "");
    printf("Please enter your choice: ");
    scanf(" %c", &choice);

//ѡ<><D1A1> 
    switch (choice) {
        case 'i':
            inputInfo();
            break;
        case 'o':
            outputInfo();
            break;
        case 'm':
            makeOrdered();
            break;
        case 'q':
            printf("You are about to Quit.\n");
            break;
        default:
            printf("Wrong input.\n");
            break;
    }

    return 0;
}