chapter2 Keyword

2-2 AAA

challenge: 4 lines

code:2-2.a2b

b=

c=

aaa=(return)true

=(return)false

2-3 Exactly Three

challenge: 5 lines

code:2-3.a2b

b=a

c=a

aaaa=(return)false

aaa=(return)true

=(return)false

2-4 Remainder

challenge: 6 lines

code:2-4.a2b

b=a

c=a

aaa=

aa=(return)2

a=(return)1

=(return)0

2-5 Odd

challenge: 10 lines

code:2-5.a2b

ba=ab

ca=ac

cb=bc

aaa=a

bbb=b

ccc=c

aa=(return)false

bb=(return)false

cc=(return)false

=(return)true

2-6 The Only

challenge: 13 lines

code:2-6.a2b

aaa=aa

bbb=bb

ccc=cc

aa=x

bb=x

cc=x

a=@

b=@

c=@

x=

@@=(return)false

@=(return)true

=(return)false

2-7 Ascend

challenge: 8 lines

code:2-7.a2b

ba=ab

ca=ac

cb=bc

bc=x

bx=xb

ax=

xc=(return)true

=(return)false

2-8 Most

challenge: 11 lines

code:2-8.a2b

ba=ab

ca=ac

cb=bc

ab=x

xb=bx

xc=

ac=

a=(return)a

bc=

b=(return)b

=(return)c

2-9 Least

challenge: 9 lines

code:2-9.a2b

ba=ab

ca=ac

cb=bc

ab=x

xb=bx

xc=

ac=(return)b

bc=(return)a

=(return)c