by@moratorium08
WA
<?php for(;$c=fgets(STDIN);){$j=sqrt(8*bindec($c)+1);echo 1^$j<=>$j%50}
10010010 10101011 00100101 11011011 11000001 11000110 00100100 11010010 00110111 10011001 10001000 01100001 00001111 10111110 01111111 00100001 01010111 00101011 01111000 10010000 11101001 00110110 11100011 10101100 01001110 00010101 11110010 00001010 01000010 11100100 10101011 11111101 00000000 01011111 11100111 10001011 11001100 00000001 00000011 00000110 10011010 00111111 01110111 01101001 00101101 01110011 00011100 01011011 11101100 00010101
PHP Parse error: syntax error, unexpected '}', expecting ',' or ';' in /volume/CODE on line 1