Compilare: user.c: In function ‘main’: user.c:160:22: warning: unused variable ‘dim’ [-Wunused-variable] int i, T, n, count, dim; ^ user.c:160:15: warning: unused variable ‘count’ [-Wunused-variable] int i, T, n, count, dim; ^ user.c:164:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&T); ^ user.c:168:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.c:171:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&v[j]); ^ user.c: In function ‘get_fact’: user.c:116:5: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] C = create(c,&n3); ^ user.c:115:5: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] B = create(b,&n2); ^ user.c:114:5: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] A = create(a,&n1); ^