Compilare: user.cpp: In function ‘int main()’: user.cpp:57:16: warning: unused variable ‘l’ [-Wunused-variable] int i,j,k,l,d,maxim,v,nrp,ii,jj; ^ user.cpp:137:24: warning: ‘jj’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ii<<" "<<jj<<'\n'; ^ user.cpp:137:15: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ii<<" "<<jj<<'\n'; ^