//This is an example of very bad style... Let's see if we can clean it right up. 
//My insides are cringing at this code and I am getting an eye twitch - 
//what about you?

//Sasha Vassar Week 3, Lecture 5

// 1. What do you think this program does?
// 2. Can you see any mistakes?
// 3. How do we fix *this*?

#include <stdio.h>
#define SOMETHING 13
#define NEXT 5

int main (void){
    int first_number;
    int second_number;
    int sum;
    int scanf_return;
    int counter = 0;
    char loop_control = 'y';

    while (loop_control == 'y') {
        printf("Guess the first number: ");
        scanf_return = scanf("%d", &first_number);
        if (scanf_return != 1) {
            printf("Error, number not entered\n");
            return 1;
        }
        printf("Guess the second number: ");
        scanf_return = scanf("%d", &second_number);
        if (scanf_return != 1) {
            return 1;
        }
        sum = first_number + second_number;
        if (sum != SOMETHING){
            printf("The sum of the numbers you guess is either too small or too large.\n");
        } else {
            printf("The sum of the numbers you guessed is the correct sum!\n");
        }
        counter++; // counter++; //counter = counter - 1 same as counter--;
        printf("Would you like to try guessing again (y/n)? "); 
        scanf(" %c", &loop_control);
    }
    printf("You had %d guesses before you guessed correctly\n", counter);
    return 0;
}