Compilare: main.cpp: In function 'void crearematr()': main.cpp:40:16: warning: variable 'veri' set but not used [-Wunused-but-set-variable] int i,j,mn,veri; ^~~~ main.cpp:41:14: warning: 'w.coord::x' may be used uninitialized in this function [-Wmaybe-uninitialized] coord w1,w; ^ main.cpp:41:14: warning: 'w.coord::y' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp: In function 'int main()': main.cpp:140:16: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized] cou<<mx<<" "<<t; ^