Result

WA

Code [DL]

<?php for(;$c=fgets(STDIN);){$j=sqrt(8*bindec($c)+1);echo 1^$j<=>$j%50}

stdin

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

stdout

stderr

PHP Parse error:  syntax error, unexpected '}', expecting ',' or ';' in /volume/CODE on line 1

strace