Compilare: user.cpp: In function 'void DFS(int)': user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void move(int, int)': user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp:46: warning: unused variable 'p' user.cpp: In function 'int main()': user.cpp:120: warning: comparison between signed and unsigned integer expressions user.cpp:154: warning: comparison between signed and unsigned integer expressions user.cpp:188: warning: comparison between signed and unsigned integer expressions user.cpp:78: warning: unused variable 'q' user.cpp:78: warning: 'p' may be used uninitialized in this function user.cpp:153: warning: 'nod2' may be used uninitialized in this function user.cpp:153: warning: 'nod1' may be used uninitialized in this function