Compilare: user.cpp: In function ‘int main()’: user.cpp:9:13: warning: unused variable ‘nr’ [-Wunused-variable] int n,k,nr,i,maxim=-1,s=0,st,dr,mij,cnt=0,ok=0,cs=0; ^ user.cpp:9:52: warning: variable ‘cs’ set but not used [-Wunused-but-set-variable] int n,k,nr,i,maxim=-1,s=0,st,dr,mij,cnt=0,ok=0,cs=0; ^ user.cpp:53:13: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<mij; ^