Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:33:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < graf[nod].size() ; i++ ) ^ user.cpp: In function ‘void RMQ()’: user.cpp:44:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 2 ; i <= vizit.size() ; i++ ) ^ user.cpp:46:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 1 ; i <= vizit.size() ; i++ ) ^ user.cpp:48:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 1 ; (1<<i) < vizit.size() ; i++ ) ^ user.cpp:50:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 1 ; j <= vizit.size()-(1<<i)+1 ; j++ ) ^ user.cpp: In function ‘int main()’: user.cpp:64:9: warning: unused variable ‘minim’ [-Wunused-variable] int minim , sol , j , x , y , dif , lo2 ; ^ user.cpp:64:23: warning: unused variable ‘j’ [-Wunused-variable] int minim , sol , j , x , y , dif , lo2 ; ^