Compilare: main.cpp: In function 'long long int binary(long long int)': main.cpp:27:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] return ans; ^~~ main.cpp: In function 'int main()': main.cpp:50:38: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] g << binary(b) - binary(a - 1) << "\n"; ^ main.cpp:50:38: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]