Compilare: user.cpp: In function ‘void Dfs1(int, int)’: user.cpp:53:21: warning: unused variable ‘mx3’ [-Wunused-variable] int mx1=0,mx2=0,mx3; ^ user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(Depth[it]==max2) val=max1+max3; ^ user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:72:46: warning: ‘max3’ may be used uninitialized in this function [-Wmaybe-uninitialized]