Compilare: user.cpp: In function ‘int main()’: user.cpp:12:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int (*)[50010]’ [-Wformat=] fscanf(in,"%d%d",&n,&m); ^ user.cpp:12:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘int (*)[50010]’ [-Wformat=] user.cpp:8:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y; ^ user.cpp:9:15: warning: variable ‘out’ set but not used [-Wunused-but-set-variable] FILE *in,*out; ^