Çözüldü C ile adisyon sistemi yapma

#include <stdio.h>
#include <stdlib.h>
int main(void)
{
    int i, order, o;
    double total;
    char split;
    i=1;
    total=0.0;
    printf("Welcome! How many drinks will be ordered?\n");
    scanf("%d",&order);
    printf("\nMENU: \n1. Espresso \n2. Latte \n3. Cappuccino \n4. Tea\n");
    while(i<=order)
    {

        scanf("%d",&o);
        switch(o)
        {
            case 1:
                printf("You have ordered one Espresso, which costs 4.5$\n");
                total=total+4.5;
                break;
                case 2:
                    printf("You have ordered one Latte, which costs 5.5$\n");
                    total=total+5.5;
                    break;
                    case 3:
                        printf("You have ordered one Cappuccino, which costs 6.5$\n");
                        total=total+6.5;
                        break;
                        case 4:
                            printf("You have ordered one Tea, which costs 3.5$\n");
                            total=total+3.5;
                            break;          
        }
    i=i+1;
    }
    printf("Would you like to split the bill between 3 guests?\n");
    scanf("%c",&split);
    switch(split)
    {
        case 'y':
            case 'Y':
                total=total/order;
                printf("The amount that each guest needs to pay is %2.1f$",total);
                break;
                case 'n':
                    case 'N':
                        printf("The total amount that you need to pay is: %2.1f$\n",total);
                        break;
               
}
   


    return(0);  
}