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  1. <?$a=$b=trim(fgets(STDIN));while($l=fgets(STDIN)){$a&=$l;$b|=$l;}$n=-1;while(@$a[++$n]){echo$a[$n]!=$b[$n]?'':"$n:{$a[$n]}\n";}
Success #stdin #stdout 0.02s 13112KB
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abcdefg
avcddeg
acbdeeg
stdout
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0:a
3:d
6:g
https://ideone.com/wxSJr
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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