#include <stdio.h>
#include <stdlib.h>
#include <conio.h>

void DisplayMenu();

int main() {
	char userSelection;
	float fTemp, tempDegree;

	DisplayMenu();
	scanf("%c",&userSelection);
	userSelection = toupper(userSelection);

	while(userSelection != 'C') {
		switch(userSelection) {
		case 'A':
			printf("Enter the degress in Fahrenheit: ");
			scanf("%f",&tempDegree);
			fTemp = tempDegree * 1.8f + 32;
			printf("%.0f degress Fahrenheit = %.0f degrees Centigrade\
					\nPress any key to continue...",fTemp,tempDegree);
			getch();
			system("cls");
			DisplayMenu();
			break;
		case 'B':
			printf("Enter the degress in Centigrade: ");
			scanf("%f",&tempDegree);
			fTemp = (tempDegree - 32) / 1.8f;
			printf("%.0f degress Centigrade = %.0f degrees Fahrenheit\n",fTemp,tempDegree);
			getch();
			system("cls");
			break;
		default:
			printf("%28s%-30s","Invalid Selection!!\n");
			return 1;
		}
	}

	return 0;
}

void DisplayMenu() {
	printf("%55","Temperature Conversion Program");
	printf("\n\n%28s%-30s"," ","A. Fahrenheit to Centigrade");
	printf("\n%28s%-30s"," ","B. Centigrade to Fahrenheit");
	printf("\n\n%28s%-14s", " ","Select A/B>");
}