2020-01-09 10:43:39 +01:00
|
|
|
Write a Thrax grammar that adds 4 to a non-negative integer (in decimal
|
|
|
|
notation).
|
2020-01-08 22:53:31 +01:00
|
|
|
|
2020-01-09 10:43:39 +01:00
|
|
|
Hints:
|
|
|
|
- easier to define reverted automaton and then use Reverse
|
|
|
|
- consider two cases: adding with carry and without
|
|
|
|
- be careful with sequences of nines
|
|
|
|
- sometimes the result will one digit longer
|
2020-01-08 22:53:31 +01:00
|
|
|
|
|
|
|
POINTS: 2
|
2020-01-09 10:43:39 +01:00
|
|
|
DEADLINE: 2020-01-20 18:50
|