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10 months ago
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%{
%}
%%
[a-zA-Z]* {
for(int i=0;i<yyleng-2;i++)
{
if(yytext[i]=='a'&& yytext[i+1]=='b' &&yytext[i+2]=='c'){yytext[i]='A';yytext[i+1]='B';yytext[i+2]='C';}
}
printf("%s\n",yytext);}
%%
int main()
{
yylex();
return 0;
}
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