Compilare: user.cpp: In function ‘int main()’: user.cpp:52:58: warning: unused variable ‘nrn’ [-Wunused-variable] int t,n,k,ans1=0,ans2=0,suma=0,x1,x2,x3,y1,y2,y3,i,j,nrn,node,a,maxc,dad1,dad2; ^ user.cpp:52:62: warning: unused variable ‘node’ [-Wunused-variable] int t,n,k,ans1=0,ans2=0,suma=0,x1,x2,x3,y1,y2,y3,i,j,nrn,node,a,maxc,dad1,dad2; ^ user.cpp:52:67: warning: unused variable ‘a’ [-Wunused-variable] int t,n,k,ans1=0,ans2=0,suma=0,x1,x2,x3,y1,y2,y3,i,j,nrn,node,a,maxc,dad1,dad2; ^ user.cpp:52:69: warning: unused variable ‘maxc’ [-Wunused-variable] int t,n,k,ans1=0,ans2=0,suma=0,x1,x2,x3,y1,y2,y3,i,j,nrn,node,a,maxc,dad1,dad2; ^