reversed-c, 107 bytes

Result

WA

Duration

692ms

Code [DL]

{{؛((p>q)+,0,)ɹɐɥɔʇnd؛()ɹɐɥɔʇǝƃ=p؛p=q}(++ı؛101>o؛()ɹɐɥɔʇǝƃ=p)ɹoɟ}(o)uıɐɯ؛q'p

Disassembly

d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}

stdin

51474975424679876543210417063492650904843641019307151767054801234567892193242643460915782609193781861

stdout

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
 ^
/tmp/code.c:1:1: warning: type defaults to 'int' in declaration of 'd' [-Wimplicit-int]
/tmp/code.c:1:3: warning: type defaults to 'int' in declaration of 'b' [-Wimplicit-int]
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
   ^
/tmp/code.c:1:5: warning: return type defaults to 'int' [-Wimplicit-int]
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
     ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:1:5: warning: type of 'o' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:19: warning: implicit declaration of function 'getchar' [-Wimplicit-function-declaration]
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
                   ^~~~~~~
/tmp/code.c:1:35: error: 'i' undeclared (first use in this function)
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
                                   ^
/tmp/code.c:1:35: note: each undeclared identifier is reported only once for each function it appears in
/tmp/code.c:1:56: warning: implicit declaration of function 'putchar' [-Wimplicit-function-declaration]
 d,b;main(o){for(d=getchar();o<101;i++){b=d;d=getchar();putchar('0'+(b<d));}}
                                                        ^~~~~~~
/root/script: line 8: /tmp/code: not found
rm: can't remove '/tmp/code': No such file or directory

strace