Store and Sort Student Records by Name

1#include <stdio.h>
2#include <string.h>
3
4struct Student {
5    int id;
6    char name[50];
7    float gpa;
8};
9
10int main() {
11    struct Student students[] = {
12        {101, "Charlie", 3.5},
13        {102, "Alice", 3.9},
14        {103, "Bob", 3.7},
15        {104, "David", 3.2}
16    };
17    int n = 4;
18    
19    printf("Before sorting:\n");
20    for (int i = 0; i < n; i++) {
21        printf("ID: %d, Name: %-10s, GPA: %.2f\n", 
22               students[i].id, students[i].name, students[i].gpa);
23    }
24    
25    // Bubble sort by name
26    for (int i = 0; i < n - 1; i++) {
27        for (int j = 0; j < n - i - 1; j++) {
28            if (strcmp(students[j].name, students[j+1].name) > 0) {
29                struct Student temp = students[j];
30                students[j] = students[j + 1];
31                students[j + 1] = temp;
32            }
33        }
34    }
35    
36    printf("\nAfter sorting by name:\n");
37    for (int i = 0; i < n; i++) {
38        printf("ID: %d, Name: %-10s, GPA: %.2f\n", 
39               students[i].id, students[i].name, students[i].gpa);
40    }
41    
42    return 0;
43}