Compilare: user.cpp: In function 'void cutvertex()': user.cpp:71: warning: overflow in implicit constant conversion user.cpp: In function 'void dfsCV(int)': user.cpp:92: warning: comparison between signed and unsigned integer expressions user.cpp:113: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int dijkstra(int, int)': user.cpp:133: warning: comparison between signed and unsigned integer expressions user.cpp:152: warning: comparison between signed and unsigned integer expressions user.cpp:162: warning: comparison between signed and unsigned integer expressions user.cpp:190: warning: comparison between signed and unsigned integer expressions user.cpp:200: warning: comparison between signed and unsigned integer expressions user.cpp:201: warning: comparison between signed and unsigned integer expressions user.cpp:217: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int test_printf()': user.cpp:302: warning: comparison between signed and unsigned integer expressions user.cpp:304: warning: comparison between signed and unsigned integer expressions user.cpp:311: warning: control reaches end of non-void function user.cpp: In function 'int init_read()': user.cpp:276: warning: control reaches end of non-void function user.cpp: In function 'int dijkstra(int, int)': user.cpp:224: warning: control reaches end of non-void function