reversed-c, 79 bytes

Result

AC

Duration

688ms

Code [DL]

{؛(b/d+8ᔭ)ɹɐɥɔʇnd||b¡(d=b؛01-()ɹɐɥɔʇǝƃ=d؛)ɹoɟ}(d)uıɐɯ؛b

Disassembly

q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}

stdin

75283174960734183232356140123456789205238390897496016531264898274295018638174751021949876543210214839

stdout

0010010100101010010111010111111111001011010110010011000110110010010011001010100010101000000000101101

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
 ^
/tmp/code.c:1:1: warning: type defaults to 'int' in declaration of 'q' [-Wimplicit-int]
/tmp/code.c:1:3: warning: return type defaults to 'int' [-Wimplicit-int]
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
   ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:1:3: warning: type of 'p' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:18: warning: implicit declaration of function 'getchar' [-Wimplicit-function-declaration]
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
                  ^~~~~~~
/tmp/code.c:1:1: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
 ^
/tmp/code.c:1:39: warning: implicit declaration of function 'putchar' [-Wimplicit-function-declaration]
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
                                       ^~~~~~~
/tmp/code.c:1:37: warning: value computed is not used [-Wunused-value]
 q;main(p){for(;p=getchar()-10;q=p)!q||putchar(48+p/q);}
                                     ^~

strace