Compilare: main.cpp: In function 'int main()': main.cpp:27:28: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] int dmin = 1 << 30, a, b; ^ main.cpp:27:25: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] int dmin = 1 << 30, a, b; ^