Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:20:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<A[1].size(); i++){ ^ user.cpp:29:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<A[vf].size(); i++){ ^ user.cpp:30:27: error: lvalue required as left operand of assignment if(d[A[vf][i].first]+d=A[vf][i].second; ^ user.cpp:30:43: error: expected ‘)’ before ‘;’ token if(d[A[vf][i].first]+d=A[vf][i].second; ^