Compilare: user.cpp: In function ‘int main()’: user.cpp:35:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(f,"%d %d",&a,&n); ^ user.cpp:35:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long long int*’ [-Wformat=] user.cpp:32:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:32:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:35:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&a,&n); ^