Compilare: user.cpp: In function ‘int binary_search0(int, int, int)’: user.cpp:13:6: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int mid; ^ user.cpp: In function ‘int binary_search1(int, int, int)’: user.cpp:29:6: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int mid; ^ user.cpp: In function ‘int binary_search2(int, int, int)’: user.cpp:51:11: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] if( A[mid-1] >= target ) return mid - 1; ^ user.cpp: In function ‘int main()’: user.cpp:51:11: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:44:6: note: ‘mid’ was declared here int mid; ^