Compilare: user.cpp: In function ‘void CalcTf()’: user.cpp:23:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<P[nod].size(); ++k) ^ user.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<S[nod].size(); ++k) ^ user.cpp:32:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (P[urm].size()==nrp[urm]) C.push(urm); ^ user.cpp: In function ‘void CalcDmax()’: user.cpp:39:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<P[n+1].size(); ++k) C.push(P[n+1][k]); ^ user.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<S[nod].size(); ++k) ^ user.cpp:49:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<P[nod].size(); ++k) ^ user.cpp:52:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (S[pre].size()==nrs[pre]) C.push(pre); ^