C Beginner Codes

#include <stdio.h> //for input and output methods
int main(){

    int vehicles=0, cars=0, bikes=0, trucks=0; //counter variables for each type and all together(optional)

    char type; //we will get input from the user and 'c' will be Car, 'b' Bike and 't' Truck (maybe even Capitals)

    int fee; //fee the current Vehicle has to pay

    int total, total_cars, total_bikes, total_trucks; //total payment for all together and each type at it's own

    float avg; //floating point number for the average

    printf("Tollbooth Counter for Cars(c), Bikes(b) and Trucks(t)\n"); //printing message

    do{ //do-while loop because we want to run it at least one time and check afterwards the Condition

        printf("Vehicle Type: ");

        scanf("%c", &type); //getting input from user

        fflush(stdin); //clearing the keyboard buffer...DONT EVER FORGET IT WHEN YOU USE CHAR'S

       //checking the input 

        if( type == 'c'){

            fee = 5;

            cars++; //cars counter goes 1 up

        }

        else if( type == 'b'){

            fee = 3;

            bikes++; //bikes counter goes 1 up

        }

        else if(type == 't'){

            fee = 10;

            trucks++; //trucks counter goes 1 up

        }

        else{ //this is for every other type like 'x'

            fee = 0;

            continue; //with this statement we make sure that is dont continue downwards 

            //but gets back to the start of the do-while loop 

        }

        vehicles ++; //counter for vehicles goes 1 up

        printf("You have to pay %d!\n", fee); //we print how much it has to pay

    }while(type != 'x'); //we will continue getting input until we get a 'x' Type

    printf("A total of %d Vehicles passed by\n", vehicles); //print how many passed by

    printf("Cars: %d, Bikes %d, Trucks %d\n", cars, bikes, trucks);

    //for the total amount we got paid we can put statements at every single car

    //but because we know how many passed of each type 

    //and the fee is the same we can make the calculations down here

    //calculating for each type

    total_bikes = bikes * 3;

    total_cars = cars * 5;

   total_trucks = trucks * 10; 

   //total is the sum of the above

   total = total_bikes + total_cars + total_trucks; 

   avg = (float) total / vehicles; //typecasting to convert the integers to floats and get the right answer

    printf("We earned %d in total\n", total);

    printf("From Cars: %d, Bikes: %d, Trucks: %d\n", total_cars, total_bikes, total_trucks);

    printf("Average is %.2f\n", avg); //we use %.2f to have only 2 floating point precision

    //when you put like %a.bf you have a a-sized integer value and b-sized floating point precision

}

#include <stdio.h> //for input and output methods

#include <stdlib.h> //for the atoi() method

int main(){

    int vehicles=0, cars=0, bikes=0, trucks=0; //counter variables for each type and all together(optional)

    int card=0, cash=0, both=0; //counter variables for each payment type

    char driver_id[6]; //id of the driver

    int id; //converted value of id from char

    char type; //we get a value for each driver id

    int fee; //fee the current Vehicle has to pay

    int balance, money; //the card balance and money to pay (if card empty or not enough)

    int total, total_cars, total_bikes, total_trucks; //total payment for all together and each type at it's own

    int total_card=0, total_cash=0; //total payment for each payment type

    float avg; //floating point number for the average

    printf("Tollbooth Counter for Cars(c), Bikes(b) and Trucks(t)\n"); //printing message

    do{ //do-while loop because we want to run it at least one time and check afterwards the Condition

        printf("Driver ID: ");

        scanf("%5s", driver_id); //getting input from user as a string with %5s so that NULL is at the end of the string

       id = atoi(driver_id); //convert string to integer

       //checking the inputs last number with modulo 10

       if(id % 10 == 1 || id % 10 == 4 || id % 10 == 7) {

           type = 'b';

       }

        else if(id % 10 == 2 || id % 10 == 5 || id % 10 == 8) {

           type = 'c';

       }

      else if(id % 10 == 3 || id % 10 == 6 || id % 10 == 9) {

           type = 't';

       }

       else{

           type = 'x';

       }

        //checking type

        if( type == 'c'){

            fee = 5;

            cars++; //cars counter goes 1 up

        }

        else if( type == 'b'){

            fee = 3;

            bikes++; //bikes counter goes 1 up

        }

        else if(type == 't'){

            fee = 10;

            trucks++; //trucks counter goes 1 up

        }

        else{ //this is for every other type like 'x'

            break; //with this statement we make sure that it stops the loop

        }

        vehicles ++; //counter for vehicles goes 1 up

        printf("You have to pay %d!\n", fee); //we print how much it has to pay

       do{ //getting the balance with do-while

       printf("Card Balance: ");

        scanf("%d", &balance);

       }while(balance < 0); //making sure its not negative

       //checking balance status

       if (balance >= fee){ //pay with card

           balance = balance - fee;

           printf("New balance is %d!\n", balance);

           card++; //counter for card payment goes 1 up

           total_card += fee; //total payment from card goes up by fee

       }

       else if(balance == 0){ //pay with cash

           printf("Pay %d with Cash!\n", fee);

           cash++; //cash counter goes 1 up

           total_cash += fee; //total payment from cash goes up by fee

       }

       else{ //pay with both

           money = fee - balance; //cash to pay

           total_cash += money; //total payment from cash goes up by "money"

           total_card += balance; //total payment from card goes up by balance

           both++; //counter for both goes up by 1

           balance = 0;

           printf("New balance is %d!\n", balance);

           printf("Pay %d with Cash!\n", money);

      }        

    }while(type != 'x'); //we will continue getting input until we get a 'x' Type

    printf("A total of %d Vehicles passed by\n", vehicles); //print how many passed by

    printf("Cars: %d, Bikes %d, Trucks %d\n", cars, bikes, trucks);

    //calculating for each type

    total_bikes = bikes * 3;

    total_cars = cars * 5;

   total_trucks = trucks * 10;

   //total is the sum of the above

   total = total_bikes + total_cars + total_trucks; 

   avg = (float) total / vehicles; //typecasting to convert the integers to floats and get the right answer

    printf("We earned %d in total\n", total);

    printf("From Cars: %d, Bikes: %d, Trucks: %d\n", total_cars, total_bikes, total_trucks);

    printf("Average is %.2f\n", avg); //we use %.2f to have only 2 floating point precision

    //Card and Cash stuff

    printf("%d paid with Cash, %d with Card and %d with Both\n", cash, card, both);

    printf("We earned %d from Cash and %d from Card\n", total_cash, total_card);

}