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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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33
Task/Multiplication-tables/Prolog/multiplication-tables.pro Normal file
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make_table(S,E) :-
print_header(S,E),
make_table_rows(S,E),
fail.
make_table(_,_).
print_header(S,E) :-
nl,
write(' '),
forall(between(S,E,X), print_num(X)),
nl,
Sp is E * 4 + 2,
write(' '),
forall(between(1,Sp,_), write('-')).
make_table_rows(S,E) :-
between(S,E,N),
nl,
print_num(N), write(': '),
between(S,E,N2),
X is N * N2,
print_row_item(N,N2,X).
print_row_item(N, N2, _) :-
N2 < N,
write(' ').
print_row_item(N, N2, X) :-
N2 >= N,
print_num(X).
print_num(X) :- X < 10, format(' ~p', X).
print_num(X) :- between(10,99,X), format(' ~p', X).
print_num(X) :- X > 99, format(' ~p', X).