Compilare: user.cpp: In function ‘void solve_1()’: user.cpp:26:11: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ans; ^ user.cpp: In function ‘int caut_binar(int)’: user.cpp:42:12: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] return ans; ^ user.cpp: In function ‘void solve_2()’: user.cpp:55:33: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] d[caut_binar(a[i])]=a[i]; ^