Compilare: user.cpp: In function ‘int main()’: user.cpp:12:36: warning: unused variable ‘opc’ [-Wunused-variable] int l,c,i,j,acum,xt,yt,n,maxim,opc; ^ user.cpp:52:32: warning: ‘yt’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nrm[xt*n+yt]>nrm[l*n+c]) ^ user.cpp:52:30: warning: ‘xt’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nrm[xt*n+yt]>nrm[l*n+c]) ^