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: unused variable ‘l’ [-Wunused-variable] int l=1,i=1; ^ user.cpp:54:12: warning: unused variable ‘minim’ [-Wunused-variable] int minim,k,p=0; ^ user.cpp:54:18: warning: unused variable ‘k’ [-Wunused-variable] int minim,k,p=0; ^ user.cpp: In member function ‘void graf::afisareapm()’: user.cpp:109:33: 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:121:22: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] G.citire("apm.in"); ^