RACSO
R
DFA
CFG
Operations:
Reg
,
CF
PDA
Reductions:
K
,
WP
,
CFG
,
NP
,
SAT
ANTLR:
lex
,
syn
Exams
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Exercise
‹
10
›
:
Unambiguous CFG for
{
a
i
b
j
c
k
∣
i
=
j
+
k
}
\{ a^i b^j c^k \mid i=j+k \}
{
a
i
b
j
c
k
∣
i
=
j
+
k
}
Write an
unambiguous
CFG generating the words of the form
a
i
b
j
c
k
a^i b^j c^k
a
i
b
j
c
k
such that the number of
a
a
a
’s coincides with the number of
b
b
b
’s plus the number of
c
c
c
’s.
Authors:
Guillem Godoy /
Documentation:
// Write your CFG here...
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