Compilare: user.cpp: In function ‘int main()’: user.cpp:12:37: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 4 has type ‘int*’ [-Wformat=] fscanf(fi,"%d %lld %d " ,&n,&m,&q); ^ user.cpp:12:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %lld %d " ,&n,&m,&q); ^ user.cpp:15:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld %lld\n" ,&x,&y); ^