Compilare: user.c: In function ‘main’: user.c:63:7: warning: variable ‘poz’ set but not used [-Wunused-but-set-variable] int poz, cmc, ccmc, minus; ^ user.c:43:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &k); ^ user.c:45:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[i]); ^