Data structures

[Diliphindustani]

Please find out the errors and tell me it's urgent.

#include <stdio.h> #include <string.h>

#define MAX_STUDENTS 50

// Structure for student data struct Student { int regNo; char name[50]; char branch[50]; float cgpa; };

// Linear search function to find a student by registration number void linearSearch(struct Student students[], int size, int regNo) { int found = 0;

for (int i = 0; i < size; i++) {
    if (students[i].regNo == regNo) {
        printf("Student found:\n");
        printf("Reg No: %d\n", students[i].regNo);
        printf("Name: %s\n", students[i].name);
        printf("Branch: %s\n", students[i].branch);
        printf("CGPA: %.2f\n", students[i].cgpa);

        found = 1;
        break;
    }
}

if (!found) {
    printf("Student not found!\n");
}

}

// Bubble sort function to arrange students data by registration number void bubbleSort(struct Student students[], int size) { for (int i = 0; i < size - 1; i++) { for (int j = 0; j < size - i - 1; j++) { if (students[j].regNo > students[j + 1].regNo) { // Swap students struct Student temp = students[j]; students[j] = students[j + 1]; students[j + 1] = temp; } } } }

// Binary search function to find a student by registration number (requires data to be sorted) void binarySearch(struct Student students[], int size, int regNo) { int left = 0; int right = size - 1; int found = 0;

while (left <= right) {
    int mid = left + (right - left) / 2;

    if (students[mid].regNo == regNo) {
        printf("Student found:\n");
        printf("Reg No: %d\n", students[mid].regNo);
        printf("Name: %s\n", students[mid].name);
        printf("Branch: %s\n", students[mid].branch);
        printf("CGPA: %.2f\n", students[mid].cgpa);

        found = 1;
        break;
    }
    else if (students[mid].regNo < regNo) {
        left = mid + 1;
    }
    else {
        right = mid - 1;
    }
}

if (!found) {
    printf("Student not found!\n");
}

}

// Insertion sort function to arrange students data by CGPA in descending order void insertionSort(struct Student students[], int size) { for (int i = 1; i < size; i++) { struct Student key = students[i]; int j = i - 1;

    while (j >= 0 && students[j].cgpa < key.cgpa) {
        students[j + 1] = students[j];
        j = j - 1;
    }

    students[j + 1] = key;
}

}

int main() { struct Student students[MAX_STUDENTS] = { { 1001, "John", "Computer Science", 8.5 }, // Add remaining student data // ... };

int regNoToSearch = 1003;

// Linear search
linearSearch(students, MAX_STUDENTS, regNoToSearch);

// Bubble sort by registration number
bubbleSort(students, MAX_STUDENTS);

// Binary search after sorting
binarySearch(students, MAX_STUDENTS, regNoToSearch);

// Insertion sort by CGPA in descending order
insertionSort(students, MAX_STUDENTS);

return 0;

}

[varunpai314]

Could you add a screenshot of what the error is? I am getting it alright.