Compilare: user.cpp: In function ‘void read()’: user.cpp:48:9: warning: unused variable ‘x’ [-Wunused-variable] int x = secv(a,1,n); ^ user.cpp:49:9: warning: unused variable ‘y’ [-Wunused-variable] int y = secv(b,2,m); ^ user.cpp: In function ‘int secv(int*, int, int)’: user.cpp:31:19: warning: ‘ultim’ may be used uninitialized in this function [-Wmaybe-uninitialized] j2 = ultim; ^ user.cpp:30:18: warning: ‘prim’ may be used uninitialized in this function [-Wmaybe-uninitialized] i2 = prim; ^