inf/rtkš/1.c


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#include <stdio.h>
enum stanje {
	nedefinirano,
	cikcakast,
	necikcakast_isti,
	necikcakast_1,
	necikcakast_2
};
enum stanje preveri (const char * n) {
	int prevl = -1;
	int prevprevl = -1;
	int l = 1;
	char c = *n++;
	if (!c)
		return nedefinirano;
	while (1) {
		if (*n != c) {
			fprintf(stderr, "*n je %c, c je %c\n", *n, c);
			if (l == prevl)
				return necikcakast_isti;
			if (prevprevl != -1 && prevl != -1) {
				if (prevprevl < prevl)
					if (l > prevl)
						return necikcakast_1;
				if (prevprevl > prevl)
					if (l < prevl)
						return necikcakast_2;
			}
			prevprevl = prevl;
			prevl = l;
			l = 1;
			c = *n;
			if (!*n)
				return cikcakast;
			n++;
		} else {
			l++;
			n++;
		}
	}
}
int main (int argc, char ** argv) {
	if (argc == 2)
		return preveri(argv[1]);
	return 255;
}