Compilare: user.cpp: In function ‘void prelucreaza()’: user.cpp:20:14: warning: statement has no effect [-Wunused-value] for(j;j<=m1;j++) ^ user.cpp:16:28: warning: unused variable ‘k1’ [-Wunused-variable] int ok=0,cop,ultim,k=1,k1=1,i=1,j=2,i1,j1,n1=n,m1=m,ratie =a[1][2]-a[1][1]; ^ user.cpp:54:21: warning: ‘ultim’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<"DA\n"<<ultim; ^