Java Program Number To Roman Numeral
I have a homework assignment to do the following.Your task is to write a C program to help you convert a number into roman numerals. Roman numerals are I for 1, V for 5, X for 10, L for 50, C for 100, D for 500, and M for 1000. Some numbers are formed by using a subtraction of Roman “digits”; for example, IV is 4, since V minus I is 4. Others are IXfor 9, XL for 40, XC for 90, CD for 400, and CM for 900.
- Java Program Number To Roman Numeral Converter
- Given An Integer Convert It To A Roman Numeral Java
- Roman Numerals Algorithm
Java Program Number To Roman Numeral Converter
Your program will proceed in three parts:1. Write a program that reads in a decimal number from the screen (using cin) and prints outa simple Roman numeral.
A simple Roman numeral does not use the subtraction rule. Forexample, the simple Roman numeral for the number 493 will be CCCCLXXXXIII, and the simpleRoman numeral for the number 3896 will be MMMDCCCLXXXXVI. Your program should print theentire Roman numeral on a single line, with no spaces between letters. You will need a whileloop in your program to print out the letters one at a time. Hint: Look at your minutesprogram for ideas on how figure out which letter to print next.2. Modify your program so that you print out all of the repeated letters in a single iterationof your while loop. You will need to put a few for loops inside your while loop to do thispart.
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For example, if the Roman numeral you have to print out is MMMMXXX, the first partiterated through your while loop seven times, one for each letter you were printing out. Now,you want to iterate your while loop just twice, one for each kind of Roman numeral beingprinted.
Thus, the first iteration will print out MMMM, and the second will print out XXX. Yourfinal output will be MMMMXXX on a single line.3. Modify your program to also handle subtractions.
Given An Integer Convert It To A Roman Numeral Java
So now, 493 should give the answer CDXCIII,and 3896 should give the answer MMMDCCCXCVI.I got the program to work with this code.
Here you will get program to convert decimal number to roman numeral in C and C.How it Works?. Divide the given number in the order 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 to find largest base value. Display the corresponding roman symbol of largest base value obtained by above method in output. Subtract the given number with largest base value to get new number.
Repeat above process with the new number until it becomes 0.Example:Decimal Number: 250. Divide it in order 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 to find largest base value. Here 250 is divided by 100. The corresponding roman symbol for 100 is C.
Subtract 250 with 100 (largest base value in previous step) to get new number i.e. 150. Again divide 150 in the order mentioned earlier. It is divided by 100, so corresponding roman symbol is C. Subtract 150 with 100 to get new number i.e. 50. Divide 50 again in the order mentioned earlier.
Roman Numerals Algorithm
50 is divided by 50, so corresponding roman symbol is L. Subtract 50 with 50. The new number obtained is 0 so we stop here. The final roman numeral is CCL.Below program implements above algorithm. Program to Convert Decimal Number to Roman Numeral in C.