Compilare: user.cpp: In function ‘int dijkstraj(int)’: user.cpp:50:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size();i++){ ^ user.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int dijkstrar(int)’: user.cpp:68:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size();i++){ ^ user.cpp:76:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void traseuj(int)’: user.cpp:79:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Gj[nod].size(); i++){ ^ user.cpp: In function ‘void traseur(int)’: user.cpp:87:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Gj[nod].size(); i++){ ^ user.cpp: In function ‘int main()’: user.cpp:124:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < TJ.size();i++) ^ user.cpp:127:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < TR.size();i++) ^ user.cpp:122:41: warning: ‘nod’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << "Romeo parcurge: " << DR[nod] << "\n"; ^