Compilare: user.cpp: In function ‘int main()’: user.cpp:71:36: warning: unused variable ‘aux’ [-Wunused-variable] int cx, cy, cnt, i, j, i2, j2, aux, X, Y, stN; ^ user.cpp: In function ‘int lee(int, int)’: user.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:104:18: warning: ‘stN’ may be used uninitialized in this function [-Wmaybe-uninitialized] dfsI(stN); ^