Compilare: user.cpp: In member function ‘void graf::afisare()’: user.cpp:43:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<A[i].size();j++) ^ user.cpp: In member function ‘void graf::vizita(int)’: user.cpp:50:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<this->A[i].size();j++) ^ user.cpp: In member function ‘void graf::prim()’: user.cpp:63:12: warning: unused variable ‘l’ [-Wunused-variable] int l=1,i=1; ^ user.cpp:69:12: warning: unused variable ‘minim’ [-Wunused-variable] int minim,k,p=0; ^ user.cpp:69:18: warning: unused variable ‘k’ [-Wunused-variable] int minim,k,p=0; ^ user.cpp: In member function ‘void graf::afisareapm()’: user.cpp:140:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<A[i].size();j++) ^ user.cpp:142:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(viz2[i]<A[i].size() && viz2[A[i][j].first]<A[A[i][j].first].size()) ^ user.cpp:142:81: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(viz2[i]<A[i].size() && viz2[A[i][j].first]<A[A[i][j].first].size()) ^ user.cpp: In function ‘int main()’: user.cpp:156:22: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] G.citire("apm.in"); ^