Compilare: user.cpp: In function ‘int main()’: user.cpp:7:42: warning: unused variable ‘M’ [-Wunused-variable] int v,n,l=1,maxlinie=-1,linie,i,j,S1,M,p,r,k,minim=1000000; ^ user.cpp:7:44: warning: unused variable ‘p’ [-Wunused-variable] int v,n,l=1,maxlinie=-1,linie,i,j,S1,M,p,r,k,minim=1000000; ^ user.cpp:26:9: warning: ‘S1’ may be used uninitialized in this function [-Wmaybe-uninitialized] Sa=S-S1; ^ user.cpp:28:16: warning: ‘linie’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<linie; ^