Compilare: main.cpp: In function 'void fil(int, int, int&, int&)': main.cpp:35:19: warning: unused variable 'maxi' [-Wunused-variable] int v,i,xv,yv,maxi=INT_MIN; ^~~~ main.cpp: In function 'int main()': main.cpp:81:45: warning: 'yj' may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<xs<<" "<<ys<<" "<<xj<<" "<<yj; ^ main.cpp:81:38: warning: 'xj' may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<xs<<" "<<ys<<" "<<xj<<" "<<yj; ^~~ main.cpp:81:29: warning: 'ys' may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<xs<<" "<<ys<<" "<<xj<<" "<<yj; ^~~ main.cpp:81:20: warning: 'xs' may be used uninitialized in this function [-Wmaybe-uninitialized] else fout<<xs<<" "<<ys<<" "<<xj<<" "<<yj; ^~~