Compilare: user.cpp: In member function ‘void graf::afisare()’: user.cpp:42:33: 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::prim()’: user.cpp:49:12: warning: variable ‘vizitati’ set but not used [-Wunused-but-set-variable] int vizitati[200001],j; ^ user.cpp:49:29: warning: unused variable ‘j’ [-Wunused-variable] int vizitati[200001],j; ^ user.cpp:50:12: warning: unused variable ‘l’ [-Wunused-variable] int l=1; ^ user.cpp:53:16: warning: unused variable ‘minim’ [-Wunused-variable] int i=1,minim,k,p=0; ^ user.cpp:53:22: warning: unused variable ‘k’ [-Wunused-variable] int i=1,minim,k,p=0; ^ user.cpp: In member function ‘void graf::afisareapm()’: user.cpp:84:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<A[i].size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:96:22: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] G.citire("apm.in"); ^