standback, 63 bytes

Result

AC

Duration

709ms

Code [DL]

w/.(.)/s/./%&;/S/^/%%1;/c/\//m/^0/S/$/1//S/$/0//S/.*;//s/.*;///

stdin

42656108527136570701246019028401084070345342627968202787956323728987654321035164029012345678912394320

stdout

0101001001011010101111011011001010010111010101101001110101001101100000000011010011011111111101110000

stderr

strace