Compilare: user.cpp: In function ‘int main()’: user.cpp:56:24: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in, "%d", &n); ^ user.cpp:58:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in,"%d", &x[j]); ^ user.cpp:56:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.cpp:58:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d", &x[j]); ^