Compilare: user.cpp:1:18: warning: extra tokens at end of #include directive [enabled by default] #include<fstream>; ^ user.cpp: In function ‘int main()’: user.cpp:11:16: warning: statement has no effect [-Wunused-value] fin>>n;"\n"; ^ user.cpp:12:16: warning: statement has no effect [-Wunused-value] fin>>m;"\n"; ^ user.cpp:13:19: warning: statement has no effect [-Wunused-value] fin>>x>>y;"\n"; ^ user.cpp:19:23: warning: statement has no effect [-Wunused-value] fin>>x>>y;"\n"; ^ user.cpp:8:18: warning: unused variable ‘k’ [-Wunused-variable] long x,y,i,j,k,n,m,num,maxx,minn,maxxn,mp; ^ user.cpp:8:24: warning: unused variable ‘num’ [-Wunused-variable] long x,y,i,j,k,n,m,num,maxx,minn,maxxn,mp; ^