zad 1
c

ws [\t ]
%%
[A-Z][a-zA-z]* {printf("%s:   ",yytext);}
{ws} {printf("");}
%%


zad 2

%Start s0 s1 e
%{
int lz = 0;
int lj = 0;
%}
zero 0
jeden 1
nl [\r\n]
%%
<INITIAL>{zero} { lz++; BEGIN(s0); ECHO;}
<INITIAL>{nl} { printf(" OK\n"); }
<INITIAL>. { BEGIN(e); ECHO;}
<s0>{jeden} { lj++; BEGIN(s1); ECHO;}
<s0>{zero} { lz++; ECHO;}
<s0>{nl} { printf(" Error\n"); BEGIN(INITIAL); }
<s0>. { BEGIN(e); ECHO;}
<s1>{jeden} { lj++; ECHO;}
<s1>. {  BEGIN(e); ECHO;}
<s1>{nl} {
        if(lz == lj) { printf(" OK\n"); BEGIN(INITIAL); }
        else { printf(" Error\n"); lz = 0; lj = 0; }
}
<e>{nl} { printf(" Error\n"); lz = 0; lj = 0; BEGIN(INITIAL); }
<e>. {ECHO;}
%%



zad 3

%%
[\n] {printf("\n");}
[^A-Za-z0-9] {printf("-");}
%%



zad 4

ws [\t ]
%%
[^\t\n ]{ws} {printf("%s", yytext);}
{ws} {printf("");}
%%




zad 4a

%{
int sr = 0;
%}

%start s0

us [\:\-\)]
ne [\:\-\|]
sm [\:\-\(]
nl [\n]
%%
<INITIAL>{ne} {printf("%s", yytext); BEGIN INITIAL;}
<INITIAL>{us} {printf("%s",yytext);sr++; BEGIN INITIAL;}
<INITIAL>{sm} {printf("%s",yytext);sr--; BEGIN INITIAL;}
<INITIAL>; {if(sr < 0) printf(" * :-("); else if(sr == 0) printf(" * :-|"); else printf(" * :-)"); sr=0; BEGIN INITIAL;}
%%