序号 | 可达集合 | 先行集合 | 可达集合与先行集合的交集 | 抽取要素 |
层级 1 |
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a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t |
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a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t |
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a |
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d |
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f |
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h |
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l |
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t |
a |
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d |
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f |
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1 |
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g |
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1 |
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h |
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i |
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j |
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k |
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l |
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m |
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n |
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r |
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t |
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1 |
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1 |
| 抽取了要素: a b c e h i p
|
层级 2 |
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d | f | g | j | k | l | m | n | o | q | r | s | t |
d |
1 |
1 |
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1 |
1 |
1 |
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1 |
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1 |
1 |
f |
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1 |
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g |
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1 |
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1 |
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j |
1 |
1 |
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1 |
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1 |
1 |
1 |
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1 |
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1 |
1 |
k |
1 |
1 |
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1 |
1 |
1 |
1 |
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1 |
1 |
1 |
1 |
l |
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1 |
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1 |
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1 |
1 |
m |
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1 |
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1 |
1 |
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1 |
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1 |
1 |
n |
1 |
1 |
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1 |
1 |
1 |
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1 |
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1 |
1 |
o |
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1 |
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q |
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1 |
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r |
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1 |
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1 |
1 |
1 |
1 |
s |
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1 |
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t |
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1 |
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1 |
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1 |
1 |
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d | f | g | j | k | l | m | n | o | q | r | s | t |
d |
1 |
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1 |
1 |
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1 |
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f |
1 |
1 |
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1 |
1 |
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1 |
1 |
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g |
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1 |
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j |
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1 |
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k |
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1 |
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l |
1 |
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1 |
1 |
1 |
1 |
1 |
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1 |
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1 |
m |
1 |
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1 |
1 |
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1 |
1 |
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n |
1 |
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1 |
1 |
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1 |
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o |
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1 |
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1 |
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q |
1 |
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1 |
1 |
1 |
1 |
1 |
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1 |
1 |
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1 |
r |
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1 |
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1 |
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s |
1 |
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1 |
1 |
1 |
1 |
1 |
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1 |
1 |
1 |
t |
1 |
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1 |
1 |
1 |
1 |
1 |
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1 |
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1 |
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d |
f |
g |
j |
k |
l |
m |
n |
o |
q |
r |
s |
t |
d |
1 |
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1 |
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f |
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1 |
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g |
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1 |
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j |
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1 |
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k |
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1 |
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l |
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1 |
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1 |
m |
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1 |
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n |
1 |
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1 |
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o |
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1 |
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q |
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1 |
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r |
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1 |
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s |
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1 |
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t |
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1 |
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1 |
| 抽取了要素: g j k
|
层级 3 |
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d | f | l | m | n | o | q | r | s | t |
d |
1 |
1 |
1 |
1 |
1 |
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1 |
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1 |
1 |
f |
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1 |
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l |
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1 |
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1 |
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1 |
1 |
m |
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1 |
1 |
1 |
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1 |
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1 |
1 |
n |
1 |
1 |
1 |
1 |
1 |
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1 |
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1 |
1 |
o |
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1 |
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q |
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1 |
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r |
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1 |
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1 |
1 |
1 |
1 |
s |
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1 |
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t |
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1 |
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1 |
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1 |
1 |
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d | f | l | m | n | o | q | r | s | t |
d |
1 |
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1 |
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f |
1 |
1 |
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1 |
1 |
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l |
1 |
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1 |
1 |
1 |
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1 |
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1 |
m |
1 |
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1 |
1 |
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n |
1 |
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1 |
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o |
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1 |
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q |
1 |
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1 |
1 |
1 |
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1 |
1 |
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1 |
r |
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1 |
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s |
1 |
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1 |
1 |
1 |
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1 |
1 |
1 |
t |
1 |
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1 |
1 |
1 |
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1 |
|
1 |
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d |
f |
l |
m |
n |
o |
q |
r |
s |
t |
d |
1 |
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1 |
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f |
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1 |
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l |
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1 |
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1 |
m |
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1 |
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n |
1 |
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1 |
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o |
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1 |
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q |
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1 |
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r |
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1 |
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s |
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1 |
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t |
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1 |
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1 |
| 抽取了要素: d n o r
|
层级 4 |
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f | l | m | q | s | t |
f |
1 |
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|
l |
|
1 |
|
1 |
1 |
1 |
m |
1 |
1 |
1 |
1 |
1 |
1 |
q |
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1 |
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s |
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1 |
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t |
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1 |
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1 |
1 |
1 |
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f | l | m | q | s | t |
f |
1 |
|
1 |
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l |
|
1 |
1 |
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1 |
m |
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1 |
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q |
|
1 |
1 |
1 |
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1 |
s |
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1 |
1 |
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1 |
1 |
t |
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1 |
1 |
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1 |
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f |
l |
m |
q |
s |
t |
f |
1 |
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l |
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1 |
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1 |
m |
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1 |
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q |
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1 |
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s |
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1 |
|
t |
|
1 |
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|
1 |
| 抽取了要素: m
|
层级 5 |
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f | l | q | s | t |
f |
1 |
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|
l |
|
1 |
1 |
1 |
1 |
q |
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1 |
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s |
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1 |
|
t |
|
1 |
1 |
1 |
1 |
|
|
f | l | q | s | t |
f |
1 |
|
|
|
|
l |
|
1 |
|
|
1 |
q |
|
1 |
1 |
|
1 |
s |
|
1 |
|
1 |
1 |
t |
|
1 |
|
|
1 |
|
|
f |
l |
q |
s |
t |
f |
1 |
|
|
|
|
l |
|
1 |
|
|
1 |
q |
|
|
1 |
|
|
s |
|
|
|
1 |
|
t |
|
1 |
|
|
1 |
| 抽取了要素: f l t
|
层级 6 |
|
|
| 抽取了要素: q s
|