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  1. {a[$0]} END {for(i in a) for(j in a) for(k in a) print i, j, k}
Success #stdin #stdout 0.01s 5480KB
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stdin
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a
b
c
stdout
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a a a
a a b
a a c
a b a
a b b
a b c
a c a
a c b
a c c
b a a
b a b
b a c
b b a
b b b
b b c
b c a
b c b
b c c
c a a
c a b
c a c
c b a
c b b
c b c
c c a
c c b
c c c
https://ideone.com/o0cCWU
language:
AWK (gawk 4.2.1)
created:
4 years ago
visibility:
public

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