I'm having trouble getting a certain output with my program Here's my output: Please input a...
I'm having trouble getting a certain output with my program
Here's my output:
Please input a value in Roman numeral or EXIT or quit: MM
MM = 2000
Please input a value in Roman numeral or EXIT or quit: mxvi
Illegal Characters.
Please input a value in Roman numeral or EXIT or quit: MXVI
MXVI = 969
Please input a value in Roman numeral or EXIT or quit: EXIT
Illegal Characters.
Here's my desired output:
|
Please input a value in Roman numerals or EXIT to quit: MM MM = 2000 Please input a value in Roman numerals or EXIT to quit: MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM Error too many characters! Must be less than 21 characters. Please input a value in Roman numerals or EXIT to quit: XYZ Illegal Characters. Please input a value in Roman numerals or EXIT to quit: MXVI MXVI = 1016 Please input a value in Roman numerals or EXIT to quit: EXIT Thank you for using the Roman Numeral to Decimal calculator. Goodbye! |
Here's my code:
#include<stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include<string.h>
bool Prompt(char romanNumeral[], int maxSize);
bool ProperRoman (const char romanNumeral[]);
void NumeralToDecimal (char romanNumeral[], int decimalValues[]);
int CalculateDecimalValue (int decimalValues[], int numDigits);
int main(){
int a[20];
int deciVal[20];
char romanNum[20];
int i = 0;
while(1){
printf("Please input a value in Roman numeral or EXIT or quit: ");
scanf("%s",&romanNum[i]);
if(ProperRoman(romanNum)){
if(Prompt(romanNum,20))
NumeralToDecimal(romanNum,deciVal);
}
if(strcmp(romanNum,"EXIT")==0)
printf("Thank you for using the Roman Numeral to Decimal calculator.");
printf("Goodbye!")
break;
}
}
bool Prompt(char romanNumeral[], int maxSize){
if(strlen(romanNumeral)>maxSize)
{
printf("Error too many characters! Must be less than 21 characters.\n");
return false;
}
return true;
}
void NumeralToDecimal (char romanNumeral[], int decimalValues[]){
int numDigits = strlen(romanNumeral);
int i;
for(i = 0; i < numDigits;i++){
if (romanNumeral[i]=='M'){
decimalValues[i] = 1000;
}else if (romanNumeral[i]=='D'){
decimalValues[i] = 500;
}else if (romanNumeral[i]=='C'){
decimalValues[i] = 100;
}else if (romanNumeral[i]=='L'){
decimalValues[i] = 50;
}else if (romanNumeral[i]=='X'){
decimalValues[i] = 10;
}else if (romanNumeral[i]=='V'){
decimalValues[i] = 5;
}else if (romanNumeral[i]=='I'){
decimalValues[i] = 1;
}
}
printf("%s = %d\n",romanNumeral,CalculateDecimalValue (decimalValues,numDigits));
}
bool ProperRoman (const char *romanNumeral){
int i;
int flag = 1;
for(i = 0; i < strlen(romanNumeral);i++){
if((romanNumeral[i]=='I')|| (romanNumeral[i]=='V')|| (romanNumeral[i]=='X')||
(romanNumeral[i]=='L')||(romanNumeral[i]=='C')||
(romanNumeral[i]=='D')||(romanNumeral[i]=='M'))
romanNumeral++;
else{
printf("Illegal Characters.\n");
flag = 0;
break;
}
}
return flag;
}
int CalculateDecimalValue (int decimalValues[], int numDigits){
int maxsize = numDigits;
int result = 0;
int i;
int lastValue;
for(i=0; i < maxsize; i++){
if (decimalValues[i] > lastValue) {
result += (decimalValues[i] - 2*lastValue);
}
else {
result += decimalValues[i];
}
lastValue = decimalValues[i];
}
return result;
}
Homework Answers
`Hey,
Note: Brother in case of any queries, just comment in box I would be very happy to assist all your queries
#include<stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include<string.h>
#include<limits.h>
bool Prompt(char romanNumeral[], int maxSize);
bool ProperRoman (const char romanNumeral[]);
void NumeralToDecimal (char romanNumeral[], int
decimalValues[]);
int CalculateDecimalValue (int decimalValues[], int
numDigits);
void main(){
int a[20];
int deciVal[20];
char romanNum[20];
int i = 0;
while(1){
printf("Please input a value in Roman numeral or EXIT or quit:
");
scanf("%s",&romanNum);
if(strcmp(romanNum,"EXIT")==0)
{
printf("Thank you for using the Roman Numeral to Decimal
calculator.\nGoodbye!\n");
break;
}
if(ProperRoman(romanNum)){
if(Prompt(romanNum,20))
NumeralToDecimal(romanNum,deciVal);
}
}
}
bool Prompt(char romanNumeral[], int maxSize){
if(strlen(romanNumeral)>maxSize)
{
printf("Error too many characters! Must be less than 21
characters.\n");
return false;
}
return true;
}
void NumeralToDecimal (char romanNumeral[], int
decimalValues[]){
int numDigits = strlen(romanNumeral);
int i;
for(i = 0; i < numDigits;i++){
if (romanNumeral[i]=='M'){
decimalValues[i] = 1000;
}else if (romanNumeral[i]=='D'){
decimalValues[i] = 500;
}else if (romanNumeral[i]=='C'){
decimalValues[i] = 100;
}else if (romanNumeral[i]=='L'){
decimalValues[i] = 50;
}else if (romanNumeral[i]=='X'){
decimalValues[i] = 10;
}else if (romanNumeral[i]=='V'){
decimalValues[i] = 5;
}else if (romanNumeral[i]=='I'){
decimalValues[i] = 1;
}
}
printf("%s = %d\n",romanNumeral,CalculateDecimalValue
(decimalValues,numDigits));
}
bool ProperRoman (const char *romanNumeral){
int i;
int flag = 1;
for(i = 0; i < strlen(romanNumeral);i++){
if((romanNumeral[i]=='I')|| (romanNumeral[i]=='V')||
(romanNumeral[i]=='X')||
(romanNumeral[i]=='L')||(romanNumeral[i]=='C')||
(romanNumeral[i]=='D')||(romanNumeral[i]=='M'))
continue;
else{
printf("Illegal Characters.\n");
flag = 0;
break;
}
}
return flag;
}
int CalculateDecimalValue (int decimalValues[], int
numDigits){
int maxsize = numDigits;
int result = 0;
int i;
int lastValue = INT_MAX;
for(i=0; i < maxsize; i++){
if (decimalValues[i] > lastValue) {
// We've seen something like "IX" or "XC".
// Need to undo the addition of the last value,
// and then add (value - lastValue).
result += (decimalValues[i] - 2 * lastValue);
}
else {
result += decimalValues[i];
}
lastValue = decimalValues[i];
}
return result;
}
Kindly revert for any queries
Thanks.
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