by@moratorium08
WA
<?=while($c=fgets(STDIN))echo+!fmod(sqrt(8*bindec($c)+1),1);
01000100 00011100 00001010 00110111 01100011 01011011 10001000 00010101 01000001 00000001 11110010 11100000 11111101 00111100 01101001 00001111 00101100 00000000 10100101 10110110 00101010 01000010 00001010 10100010 01110010 10101011 11100111 11000000 01101110 00000111 01101011 01011001 10111010 01111000 00000110 00101101 11011011 10111110 01001110 10011001 00100110 11010010 11110101 01000000 00100100 00011001 10011001 01111010 01101101 00000011
PHP Parse error: syntax error, unexpected 'while' (T_WHILE) in /volume/CODE on line 1