Compilare: user.cpp: In function 'void DFS(int)': user.cpp:53: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int DFST(int)': user.cpp:65: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void intoarce()': user.cpp:78: warning: comparison between signed and unsigned integer expressions user.cpp:96: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void scrie()': user.cpp:110: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void intoarce()': user.cpp:73: warning: 'poz' may be used uninitialized in this function