PCD

PR3A

 %{

#include<stdio.h>

%}

%%

"ycce" {printf("YCCE");}

"it" {printf("IT");}

%%

main()

{

extern FILE *yyin;

yyin=fopen("input.txt","r");

yylex();

}

int yywrap()

{

return (1);

}


input.txt
hello ycce and it branch

PR3B

%{

#include<stdio.h>

int count1=0, count2=0;

%}

%%

"ycce" {count1++; printf("YCCE");}

"it" {count2++; printf("IT");}

%%

main()

{

extern FILE *yyin;

yyin=fopen("input.txt","r");

yylex();

printf("This file contain %d times YCCE and %d times IT", count1, count2);

}

int yywrap()

{

return (1);

}


input.txt

hello YCCE and IT branch YCCE is my love  i love YCCE

and IT is the brain and heart of YCCE YCCE IT.