Compilare: user.cpp: In function ‘bool ok(int)’: user.cpp:100:42: warning: ‘p.mod::x’ may be used uninitialized in this function [-Wmaybe-uninitialized] m.x = (- base * mod1 + 1ll * p.x * (s[i - len])); ^ user.cpp:85:9: warning: ‘p.mod::y’ may be used uninitialized in this function [-Wmaybe-uninitialized] mod p,m; ^ user.cpp:85:9: warning: ‘p.mod::z’ may be used uninitialized in this function [-Wmaybe-uninitialized]