%{
#include <stdio.h>
 
int word_count = 0;      // To count the number of words
int char_count = 0;      // To count the number of characters
int line_count = 0;      // To count the number of lines
%}
 
%%
 
\n              { line_count++; }   // Increment line count on newline
[ \t]+          { /* Ignore spaces and tabs */ }
[A-Za-z0-9]+    { word_count++; char_count += yyleng; }  // Count words and characters
.               { char_count++; }   // Count other characters (including punctuation)
 
%%
 
int main() {
    yylex();
    printf("Lines: %d\n", line_count);
    printf("Words: %d\n", word_count);
    printf("Characters: %d\n", char_count);
    return 0;
}
 

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