Compilare: user.c: In function ‘main’: user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ user.c:13:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &nr); ^ user.c:27:12: warning: ‘pozj’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d", pozi+1, pozj+1, max); ^ user.c:27:12: warning: ‘pozi’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.c:21:22: warning: ‘pozic’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s>max && i-pozic+1>=k){ ^