Compilare: user.c: In function ‘getnr’: user.c:19:3: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[s[p]]==0) ^ user.c:25:3: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[s[p]]){ ^ user.c: In function ‘main’: user.c:42:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ user.c: In function ‘avans’: user.c:12:10: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread(s, 1, LIM, fin); ^ user.c: In function ‘main’: user.c:59:12: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d\n", pos+1, pos+k, max); ^