Compilare: user.cpp: In function ‘int main()’: user.cpp:22:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘int (*)[3][2000]’ [-Wformat=] fscanf(f1,"%d%d%d",&x,&y,&r); ^ user.cpp:19:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^ user.cpp:22:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%d%d",&x,&y,&r); ^