c-gcc, 91 bytes

Result

AC

Code [DL]

char c,s[100],i;main(){read(0,&s,100);for(;10-c++;)for(i=100;i--;write(1,s+i,s[i]==c+47));}

stdin

1672523530964791047814188969023039671782229293383507493156183000540196764086339056840241643135497253

stdout

0000000000001111111111222222222333333333333334444444444555555556666666666777777778888888899999999999

stderr

/volume/CODE.c:1:17: warning: return type defaults to ‘int’ [-Wimplicit-int]
 char c,s[100],i;main(){read(0,&s,100);for(;10-c++;)for(i=100;i--;write(1,s+i,s[i]==c+47));}
                 ^
/volume/CODE.c: In function ‘main’:
/volume/CODE.c:1:24: warning: implicit declaration of function ‘read’ [-Wimplicit-function-declaration]
 char c,s[100],i;main(){read(0,&s,100);for(;10-c++;)for(i=100;i--;write(1,s+i,s[i]==c+47));}
                        ^
/volume/CODE.c:1:66: warning: implicit declaration of function ‘write’ [-Wimplicit-function-declaration]
 char c,s[100],i;main(){read(0,&s,100);for(;10-c++;)for(i=100;i--;write(1,s+i,s[i]==c+47));}
                                                                  ^
/volume/CODE.c:1:79: warning: array subscript has type ‘char’ [-Wchar-subscripts]
 char c,s[100],i;main(){read(0,&s,100);for(;10-c++;)for(i=100;i--;write(1,s+i,s[i]==c+47));}
                                                                               ^

strace