text: Base cases
code: if ( X < arr [ 0 ] ) : NEW_LINE INDENT return 0 ; NEW_LINE DEDENT elif ( X > arr [ n - 1 ] ) : NEW_LINE INDENT return n NEW_LINE DEDENT lowerPnt = 0 NEW_LINE i = 1 NEW_LINE while ( i < n and arr [ i ] < X ) : NEW_LINE INDENT lowerPnt = i NEW_LINE i = i * 2 NEW_LINE DEDENT