Compilare: user.cpp: In function ‘int main()’: user.cpp:17:14: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] return i * NMAX + j; ^ user.cpp:82:9: note: ‘x’ was declared here int x, y, maxi= 0; ^ user.cpp:17:23: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] return i * NMAX + j; ^ user.cpp:82:12: note: ‘y’ was declared here int x, y, maxi= 0; ^