RACSO
R
DFA
CFG
Operations:
Reg
,
CF
PDA
Reductions:
K
,
WP
,
CFG
,
NP
,
SAT
ANTLR:
lex
,
syn
Exams
log in
,
register
,
guest
This site uses cookies only for the purpose of identifying user sessions. This is required to properly register actions.
Exercise
‹
16
›
:
Unambiguous CFG for
{
w
∈
{
a
,
b
}
∗
∣
w
=
w
R
}
\{ w \in \{a,b\}^* \mid w=w^R \}
{
w
∈
{
a
,
b
}
∗
∣
w
=
w
R
}
Write an
unambiguous
CFG generating the palindromic words over
{
a
,
b
}
\{a,b\}
{
a
,
b
}
.
Authors:
Guillem Godoy /
Documentation:
// Write your CFG here...
To be able to submit you need to
log in
,
register
, or
become a guest
.