Compilare: user.cpp: In function ‘void write()’: user.cpp:103:12: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] i=n; Ans[n]=NULL; ^ user.cpp: In function ‘void dp()’: user.cpp:85:13: warning: array subscript is above array bounds [-Warray-bounds] Pre[i+1][D[k][j]]=j; ^ user.cpp:82:10: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(A[i][j]+Fear[D[k][j]]>A[i+1][D[k][j]]) ^