Compilare: user.cpp: In function ‘int main()’: user.cpp:46:5: warning: ‘dng’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=0;i<na;i++) ^ user.cpp:58:40: note: ‘dng’ was declared here int da,db,dr,dv,dg,dna,dnb,dnr,dnv,dng,ds; ^ user.cpp:46:5: warning: ‘dna’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=0;i<na;i++) ^ user.cpp:58:24: note: ‘dna’ was declared here int da,db,dr,dv,dg,dna,dnb,dnr,dnv,dng,ds; ^