by@__dAi00
AC
#include<stdio.h>
int i,a,b;main(){for(;a<50;a++){for(b=i=0;b<8;b++){i+=getchar()&1;i*=2;}getchar();i/=2;for(b=0;i>0;b++)i-=b;putchar(i<0?48:49);}}10101011 00100100 10011110 10010010 11101011 00000001 01111010 10001000 00011000 01000010 11000101 10111010 00000011 00110111 00110110 01101001 01001110 10000110 11001010 00001010 00111001 01100011 00001111 10010100 00100101 11111101 01001111 01111000 01011010 00000000 00110010 01101000 00000110 00011100 01011011 10010011 11000110 11100111 00110111 00010101 10111110 01011110 00101101 00001101 10011001 10110101 10101001 11000000 11010010 01000010
11000101010011011001001001010100111001111010100011
/tmp/code.c:2:11: warning: return type defaults to ‘int’ [-Wimplicit-int]
int i,a,b;main(){for(;a<50;a++){for(b=i=0;b<8;b++){i+=getchar()&1;i*=2;}getchar();i/=2;for(b=0;i>0;b++)i-=b;putchar(i<0?48:49);}}
^