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819 B
819 B
romannumbers
Instructions
Write a program called rn. The objective is to converte a number, given has argument, into a roman number and print it with roman number calculation.
The program should have a limit of 4000. In case of an invalid number, for example "hello" or 0 the program should print ERROR: can not convert to roman digit.
Usage
student@ubuntu:~/[[ROOT]]/test$ go build
student@ubuntu:~/[[ROOT]]/test$ ./rn hello
ERROR: can not convert to roman digit
student@ubuntu:~/[[ROOT]]/test$ ./rn 123
C+X+X+I+I+I
CXXIII
student@ubuntu:~/[[ROOT]]/test$ ./rn 999
(M-C)+(C-X)+(X-I)
CMXCIX
student@ubuntu:~/[[ROOT]]/test$ ./rn 3999
M+M+M+(M-C)+(C-X)+(X-I)
MMMCMXCIX
student@ubuntu:~/[[ROOT]]/test$ ./rn 4000
ERROR: can not convert to roman digit
student@ubuntu:~/[[ROOT]]/test$