BinarySearch (personal)

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 #include <stdio.h>


struct emp
{
    int no;
    int sal;
    char name[20];
};

int binarySearch(struct emp a[], int n, int x)
{

    int low = 0, mid, high = n - 1, count = 0;
    while (low <= high)
    {
        count++;
        mid = (low + high) / 2;
        if (x < a[mid].no)
            high = mid - 1;
        else if (x > a[mid].no)
            low = mid + 1;
        else
        {
            printf("no of search =   %d\n", count);
            return mid;
        }
    }
    return -1;
}

void printArray(struct emp array[], int size)
{
    for (int i = 0; i < size; ++i)
    {
        printf("    name = %s\n", array[i].name);
        printf("    salary = %d\n  ", array[i].sal);
        printf("    number  = %d\n  ", array[i].no);
    }
    printf("\n");
}

int main()
{
    int no, i, x;
    printf("Enter no of Employees: \n");
    scanf("%d", &no);

    struct emp data[no];

    for (i = 0; i < no; i++)
    {
        printf("\nEnter Name of employee %d:", (i + 1));
        scanf("%s", &data[i].name);

        printf("Enter number:");
        scanf("%d", &data[i].no);

        printf("Enter salary:");
        scanf("%d", &data[i].sal);
    }
    printArray(data, no);
    printf("Enter no to be searched \n");
    scanf("%d", &x);

    int result = binarySearch(data, no, x);
    if (result == -1)
        printf("Element is not present in array");
    else
        printf("Employee is found at index %d", result);
    return 0;
}

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