Compilare: user.cpp: In function ‘int main()’: user.cpp:50:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < v[ nod ].size(); i++ ) ^ user.cpp:30:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, nod; ^ user.cpp: In function ‘int findWay(int, int)’: user.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type] } ^