Compilare: user.c: In function ‘Read’: user.c:40:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c: In function ‘CountLength’: user.c:85:21: warning: ‘result’ may be used uninitialized in this function [-Wmaybe-uninitialized] length = result + 1; ^ user.c: In function ‘Solve’: user.c:85:21: warning: ‘result’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.c:73:9: note: ‘result’ was declared here int result; ^