Compilare: user.cpp: In function ‘void fil(int, int)’: user.cpp:19:13: warning: unused variable ‘ii’ [-Wunused-variable] int l,m,ii; ^ user.cpp: In function ‘int main()’: user.cpp:66:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=1; k<vv.size(); k++) ^ user.cpp:69:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<vv.size(); k++) ^ user.cpp:75:24: warning: ‘c2’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<l2-1<<" "<<c2-1<<" "<<lmax2-2 ^ user.cpp:75:13: warning: ‘l2’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<l2-1<<" "<<c2-1<<" "<<lmax2-2 ^