Submission #1383049

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Source Code Expand

D=*0..1e5;gets;C=2,i=1;$<.map{|l|a,b=e=l.split.map &:to_i;D[a],D[b]=D[b],D[a];e.map{|j|D[j]<2&&i=j};C<<D[i-1]<<D[i+1]};p C.uniq.size

Submission Info

Compile Error

./Main.rb:1: warning: `&' interpreted as argument prefix
./Main.rb:1: syntax error, unexpected &, expecting '}'
...1;$<.map{|l|a,b=e=l.split.map &:to_i;D[a],D[b]=D[b],D[a];e.m...
...                               ^
./Main.rb:1: warning: unused literal ignored

Judge Result