53 lines
1.1 KiB
Plaintext
53 lines
1.1 KiB
Plaintext
|
/*
|
||
|
|
?- s([registration_grade(r0,X)],P).
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
student_ranking(s0,X).
|
||
|
|
s([student_ranking(s0,h)],P).
|
||
|
|
P = 0,6646250000000005 ?
|
||
|
|
s([student_ranking(s0,l)],P).
|
||
|
|
P = 0,33537499999999987
|
||
|
|
ok, checked with s.pl
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
registration_course(Key, CKey) :-
|
||
|
|
registration(Key, CKey, _).
|
||
|
|
|
||
|
|
registration_student(Key, SKey) :-
|
||
|
|
registration(Key, _, SKey).
|
||
|
|
|
||
|
|
registration_grade(Key, 4): 0.2;
|
||
|
|
registration_grade(Key, 1): 0.8 :-
|
||
|
|
registration(Key, CKey, SKey) ,
|
||
|
|
course_difficulty(CKey, h).
|
||
|
|
|
||
|
|
|
||
|
|
registration_grade(Key, 4): 0.85;
|
||
|
|
registration_grade(Key, 1): 0.15 :-
|
||
|
|
registration(Key, CKey, SKey) ,
|
||
|
|
course_difficulty(CKey, l).
|
||
|
|
|
||
|
|
|
||
|
|
course_difficulty(Cou, h) :0.5 ; course_difficulty(Cou, l) : 0.5.
|
||
|
|
|
||
|
|
|
||
|
|
student_ranking(Stu, h):0.2; student_ranking(Stu, l):0.8:-
|
||
|
|
bagof(Grade, CKey^(registration_student(CKey,Stu),
|
||
|
|
registration_grade(CKey, Grade)), Grades),
|
||
|
|
average(Grades, Av),Av<2.
|
||
|
|
|
||
|
|
student_ranking(Stu, h):0.8; student_ranking(Stu, l):0.2:-
|
||
|
|
bagof(Grade, CKey^(registration_student(CKey,Stu),
|
||
|
|
registration_grade(CKey, Grade)), Grades),
|
||
|
|
average(Grades, Av),Av>=2.
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
registration(r0,c16,s0).
|
||
|
|
registration(r1,c10,s0).
|