Compilare: user.cpp: In function 'void cutvertex()': user.cpp:60: warning: overflow in implicit constant conversion user.cpp: In function 'void dfsCV(int)': user.cpp:87: warning: comparison between signed and unsigned integer expressions user.cpp:109: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int dijkstra(int, int)': user.cpp:135: warning: comparison between signed and unsigned integer expressions user.cpp:159: warning: comparison between signed and unsigned integer expressions user.cpp:220: warning: comparison between signed and unsigned integer expressions user.cpp:221: warning: comparison between signed and unsigned integer expressions user.cpp:237: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int init_read()': user.cpp:263: warning: overflow in implicit constant conversion user.cpp: In function 'int test_printf()': user.cpp:322: warning: comparison between signed and unsigned integer expressions user.cpp:324: warning: comparison between signed and unsigned integer expressions user.cpp:331: warning: control reaches end of non-void function user.cpp: In function 'int init_read()': user.cpp:296: warning: control reaches end of non-void function user.cpp: In function 'int dijkstra(int, int)': user.cpp:244: warning: control reaches end of non-void function