Problem 3 - Sheet 1

#include <stdio.h>

int main(void) {
    float finalCost, InitialCost;
    int boo, foo, extra=0, number_of_people;
    printf("How many people are going to be staying in the room? ");
    scanf("%d", &number_of_people);
    if (number_of_people>4)
        extra=number_of_people-4;
    number_of_people=number_of_people-extra;
    switch (number_of_people){
        case 2:
        InitialCost=85;
        break;
        case 3:
        InitialCost=90;
        break;
        case 4:
        InitialCost=95;
        break;
        default:
        printf("This number of people is invalid. Please remember that the minimum is 2\n");
        return 0;
    }
    finalCost=InitialCost+(extra*6);
    over60:
    printf("Is the customer over 60? Type 1 for yes, 0 for no\n");
    scanf("%d", &boo);
    if (boo==1)
    finalCost=finalCost*0.85;
    else if (boo==0)
    {
        company:
        printf("Is the customer staying on company business? Type 1 for yes, 0 for no\n");
        scanf("%d", &foo);
        if (foo==1)
        finalCost=finalCost*0.8;
        else if (foo!=0)
        {
            printf("You have entered a wrong number. Try again:\n");
            goto company;
        }
    }
    else
    {
        printf("You have entered a wrong number. Try again:\n");
        goto over60;
    }
    printf("The cost for the room is: %.2f\n", finalCost);


    return 0;
}