だからここに私のコードがあります。何らかの理由で、四半期の量が 4 であると常に表示されます。何が間違っていますか?
#include <stdio.h>
#define QUARTER 25 // Define the constant cent values of the quarters, dimes, nickels, and pennies.
#define DIME 10
#define NICKEL 5
#define PENNY 1
int main( void ){
int priceOfitem; // Initialize the variable that will be the price.
printf("Enter the price of an item less than one dollar (in cents) (eg: 57) : ");
scanf("%lg", &priceOfitem);
if(priceOfitem >= 100){
printf("The price must be less than one dollar. \nProgramming exiting.");
return 0;
}
int changeAmount = 100 - priceOfitem; /* Create the variable that is the amount of change needed.
* This variable will be modified later on.
*/
int amountOfQuarters = ((changeAmount - (changeAmount % QUARTER)) / QUARTER); // Utilizing the modulus operator to determine the amount of quarters.
printf("\n\nThe Amount of Quarters Needed in the Change is: %d", amountOfQuarters);
changeAmount = changeAmount - (amountOfQuarters * QUARTER); // Modifying the change amount
int amountOfDimes = ((changeAmount - (changeAmount % DIME)) / DIME); // Utilizing the modulus operator to determine the amount of dimes.
printf("\n\nThe Amount of Dimes Needed in the Change is: %d", amountOfDimes);
changeAmount = changeAmount - (amountOfDimes * DIME); // Modifying the change amount
int amountOfNickels = ((changeAmount - (changeAmount % NICKEL)) / NICKEL); // Utilizing the modulus operator to determine the amount of nickels.
printf("\n\nThe Amount of Nickels Needed in the Change is: %d", amountOfNickels);
changeAmount = changeAmount - (amountOfNickels * NICKEL); // Modifying the change amount
int amountOfPennies = changeAmount; // Since the changeAmount can now be expressed with pennies only, set the amountOfPennies variable as such.
printf("\n\nThe Amount of Pennies Needed in the Change is: %d", amountOfPennies);
return 0;
}