Compilare: user.c: In function ‘main’: user.c:14:5: warning: format ‘%lli’ expects argument of type ‘long long int *’, but argument 3 has type ‘int *’ [-Wformat=] fscanf(f,"%lli",&n); ^ user.c:24:5: warning: format ‘%lli’ expects argument of type ‘long long int *’, but argument 3 has type ‘int *’ [-Wformat=] fscanf(f,"%lli",&n); ^ user.c:13:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lli",&n); ^ user.c:18:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lli",&y); ^ user.c:24:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lli",&n); ^ user.c:30:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lli",&y); ^