int main(void) {
FILE *in=fopen("calfflac.in", "r"),
*out=fopen("calfflac.out", "w");
char sample[STRING_LIMIT + 1], c;
char normalized[STRING_LIMIT + 1];
int i, j;
pal result;
i = j = 0;
while ((c = (char)fgetc(in)) != -1) {
sample[i++] = c;
if (VALID_CHAR(c))
normalized[j++] = tolower(c);
}
sample[i] = '\0';
fclose(in);
get_longest_pal2(&result, normalized);
fprintf(out, "%d\n", result.length);
for (i=0, j=0; i < strlen(sample); i++) {
if (VALID_CHAR(sample[i]))
j++;
if (j - 1 >= result.start)
fputc(sample[i], out);
if (j == result.start + result.length)
break;
}
fputc('\n', out);
fclose(out);
return 0;
}
void optimize(char *code, int options)
{
unsigned int i, j;
/* We're calling strlen here because it is brought up more than once in the code below */
unsigned int len = strlen(code);
/* We're only setting options to know if we need to optimize debug symbols */
SET_OPTIONS_VARIABLE(options);
/* Return if code is empty string */
if (len == 0)
return;
/* Loop through code and add the OK characters */
for (i = 0, j = 0; i < len; i++) {
/* Add pairless valid characters */
if (i < (len - 2) && code[i] == OPPOSITE(code[i + 1])) {
/* Skip next character */
i += 1;
} else if (VALID_CHAR(code[i])) {
/* Add character */
code[j] = code[i];
j++;
}
}
/* Add null terminator */
code[j] = '\0';
/* Recurse */
if (len != j) {
optimize(code, options);
}
}
