: (4-5) , .

.., ..


TS

 

; __

__ = " "

=

_ = __

= 4

_ = 2 : 5

;

 

= " ";

 

;

= _02

=

= " CODASYL ( ):

1) ,

2) ,

3) ,

4) ,

5) ."

;

;

= _02

=

= [2, 4, 3, 5, 1]

= (0.1)

= 2 : 4

;

 

;

= _12

= " :

1) ,            4) ,

2) ,        5) ,

3) ,    6) ."

;

= _12

=

= {2, 5, 6}

= (0.1)

= 2 : 4

;

 

;

= _11

=

= " ? ( )"

;

;

= _11

=

; .

= {, , }

= {, , , -}

= (0.1)

= 2 : 5

;

 

;

= _21

=

= " ( ) ."

;

= _21

=

= [, , ]

= (0.1)

= 2 : 5

;

 

;

= _23

= " ?"

;

;

= _23

=

= ""

= (0.2)

= 2 : 3

;

 

= _51

=

= " '', ' ' '', ?"

;

;

= _51

=

= ""

= " "

= (0.1)

= 2 : 5

;

 

;

= _45

=

= " , , , ( ):

1) , 4) , 7) ,

2) , 5) , 8) ,

3) , 6) , 9) .

(: {1, 2},{3, 4},{5},{6, 7, 8, 9})"

;

; , ,

= _45

=

= [{2, 3, 7}, {6}, {1, 4}, {5, 8}, {9}]

= (0.1)

= 2 : 5

;

 

;

= _54

=

= " , :

1)       4) -

2)      5) -

3)          6) - ,

(: [1,2], [3,4], [5,6])"

;

; , ,

;

= _54

=

= {[1,5], [2,4], [3,6]}

= (0.1)

= 2 : 3.5

;