by@moratorium08
WA
<?php for(;$c=fgets(STDIN);){echo fmod(sqrt(8*bindec($c)+1),1);}
01111100 00110011 01000110 01001110 00011100 01011011 01100101 00101011 01100011 10111110 11101101 10100111 01101001 11010001 11100001 00110000 00000110 00101101 00100100 00000000 01000010 11110000 11011111 01011101 00010101 01111000 11001000 01000010 00000011 10101011 01101011 00001000 10001000 11111010 10001011 11100111 11111101 00110111 01101010 11111001 00001010 10011001 00000001 01001011 00110111 10100001 11010010 01000000 00001111 00010110
0.511902513177460.223748416156680.685438564654020000.442925306655780.574175621006710.1602556806574500.554563480765130.5650105975644500.902322672435120.438190347845890.62141687034858000000.829214001622250.249260348555220.29468812791236000.012498047485110000.274562336608890.06225774829854900.732538492690080.361654635224550000.137604568666930.643028571099430000.5153013442625300.9026461420324800.6495033058122500.30413469565007