Compilare: user.c: In function ‘main’: user.c:56:11: warning: variable ‘t’ set but not used [-Wunused-but-set-variable] int *m, *t; ^ user.c:55:9: warning: unused variable ‘k’ [-Wunused-variable] int n, k; ^ user.c:60:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:65:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &m[i]); ^