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  1. #!/usr/bin/perl -w
  2.  
  3. use strict;
  4.  
  5. chomp(my($x, $n) = <STDIN>);
  6. printf "%b\n", ($x >> $n) | (($x & (~(~0 << $n))) << (63+1-$n));
Success #stdin #stdout 0s 3564KB
comments (?)
stdin 
127
3
stdout 
11100000000000000000000000001111
https://ideone.com/3vMB1B
language:
Perl (perl 5.28.1)
created:
12 years ago
visibility:
secret

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