Result

WA

Code [DL]

f={x->x&&f(int(x/10))*2+x%2||0}
stdin|{x->int(1-sqrt(f(number(x))*8+1)%1)}|puts

stdin

01001110
10011001
01101000
01111000
11110110
11110010
01001001
11000000
10100010
10101111
00101101
10001000
11100111
01011100
00000011
00010101
01011011
01000010
01101001
00100100
11111000
01100000
00000110
10101011
11111110
00001111
01101001
11011000
01001100
00010110
11010010
01001101
01011111
00111110
00011100
10111110
00000001
01100111
10100000
11111111
11110011
01101010
10111110
00001010
00110111
01001011
10011010
00000000
11111101
10010100

stdout

stderr

/home/esolang/bin/streem: line 3:     6 Done                    cat -
         7 Segmentation fault      (core dumped) | ~/interpreters/streem "[email protected]"

strace