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91 lines
2.3 KiB
91 lines
2.3 KiB
#include <stdio.h>
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#include <stdlib.h>
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struct Student {
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int student_id;
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float math_score;
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float physics_score;
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float english_score;
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float total_score;
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float average_score;
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} Student;
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void swap(struct Student *a, struct Student *b) {
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struct Student temp;
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temp = *a;
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*a = *b;
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*b = temp;
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}
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void sortStudentsByTotalScore(struct Student students[], int num)
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{
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int i,j;
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for (i = 0; i < num- 1; i++) {
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for (j = 0; j < num - i - 1; j++) {
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if (students[j].total_score > students[j + 1].total_score) {
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swap(&students[j], &students[j + 1]);
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}
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}
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}
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}
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void display_menu() {
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printf("%30s 1. Input\n", "");
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printf("%30s 2. Output\n", "");
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printf("%30s 3. Order\n", "");
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printf("%30s 4. Quit\n", "");
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}
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void input_students(struct Student *students) {
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printf("Please input info of the three students:\n");
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int i;
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for (i = 0; i < 3; i++) {
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scanf("%d", &students[i].student_id);
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scanf("%f", &students[i].math_score);
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scanf("%f", &students[i].physics_score);
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scanf("%f", &students[i].english_score);
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students[i].total_score = students[i].math_score + students[i].physics_score + students[i].english_score;
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students[i].average_score = students[i].total_score / 3.0;
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}
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sortStudentsByTotalScore(students, 3);
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for (i = 0; i < 3; i++) {
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printf("%d,%.1f,%.1f\n", students[i].student_id, students[i].total_score, students[i].average_score);
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}
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}
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int main() {
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struct Student students[3];
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char user_input[2];
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while (1) {
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display_menu();
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scanf("%1s", user_input);
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switch (user_input[0]) {
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case 'i':
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input_students(students);
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break;
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case 'o':
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printf("%30s You are trying to Output info\n"," ");
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break;
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case 'm':
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printf("%30s You are trying to Make things ordered\n", "");
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break;
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case 'q':
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printf("%30s You are about to Quit\n", "");
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default:
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printf("%30s Wrong input\n", "");
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break;
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}
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}
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return 0;
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}
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