#include <stdio.h>
int main() {
    char choice;
    int student_id[3];
    float math_score[3], physics_score[3], english_score[3], total_score[3], average_score[3];

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

    switch (choice) {
        case 'i':
            printf("Please input info of the three students:\n");
            for (int i = 0; i < 3; i++) {
                printf("Enter student %d's ID: ", i + 1);
                scanf("%d", &student_id[i]);
                printf("Enter student %d's math score: ", i + 1);
                scanf("%f", &math_score[i]);
                printf("Enter student %d's physics score: ", i + 1);
                scanf("%f", &physics_score[i]);
                printf("Enter student %d's english score: ", i + 1);
                scanf("%f", &english_score[i]);
                total_score[i] = math_score[i] + physics_score[i] + english_score[i];
                average_score[i] = total_score[i] / 3;
            }

            // Sort by total score
            for (int i = 0; i < 2; i++) {
                for (int j = 0; j < 2 - i; j++) {
                    if (total_score[j] > total_score[j + 1]) {
                        // Swap total score
                        float temp_total = total_score[j];
                        total_score[j] = total_score[j + 1];
                        total_score[j + 1] = temp_total;

                        // Swap student ID
                        int temp_id = student_id[j];
                        student_id[j] = student_id[j + 1];
                        student_id[j + 1] = temp_id;

                        // Swap average score
                        float temp_average = average_score[j];
                        average_score[j] = average_score[j + 1];
                        average_score[j + 1] = temp_average;
                    }
                }
            }

            // Output sorted student information
            for (int i = 0; i < 3; i++) {
                printf("%d,%.1f,%.1f\n", student_id[i], total_score[i], average_score[i]);
            }
            break;
        case 'm':
            printf("You are trying to Make things ordered\n");
            break;
        case 'q':
            printf("You are about to Quit\n");
            break;
        default:
            printf("Wrong input\n");
    }

    return 0;
}