Compilare: main.cpp:8:27: warning: integer overflow in expression [-Woverflow] const int INF = (1 << 31) - 1; ~~~~~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:48:37: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] out << rez <<" "<< st <<" "<< dr; ^ main.cpp:48:29: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] out << rez <<" "<< st <<" "<< dr; ^~~