Compilare: user.cpp: In function 'int BFSdragon(int, int)': user.cpp:42: warning: unused variable 'x' user.cpp: In function 'int BFS(int, int, int, int, int)': user.cpp:83: warning: unused variable 'd' user.cpp: In function 'int main()': user.cpp:138: warning: unused variable 'k' user.cpp:138: warning: unused variable 'p' user.cpp:138: warning: 'endx' may be used uninitialized in this function user.cpp:138: warning: 'starty' may be used uninitialized in this function user.cpp:138: warning: 'startx' may be used uninitialized in this function user.cpp:138: warning: 'endy' may be used uninitialized in this function