Compilare: user.cpp: In function ‘int main()’: user.cpp:11:26: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘long int*’ [-Wformat=] fscanf(f, "%lld" , &n); ^ user.cpp:43:44: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%ld\n",a[dr]-a[st]+1); ^ user.cpp:45:43: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%ld\n",a[dr]-a[st]); ^ user.cpp:11:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld" , &n); ^ user.cpp:38:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%ld" , &x); ^ user.cpp:41:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%ld%ld" , &st,&dr); ^