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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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123
Task/Power-set/Simula/power-set.simula Normal file
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SIMSET
BEGIN
LINK CLASS LOF_INT(N); INTEGER N;;
LINK CLASS LOF_LOF_INT(H); REF(HEAD) H;;
REF(HEAD) PROCEDURE MAP(P_LI, P_LLI);
REF(HEAD) P_LI;
REF(HEAD) P_LLI;
BEGIN
REF(HEAD) V_RESULT;
V_RESULT :- NEW HEAD;
IF NOT P_LLI.EMPTY THEN BEGIN
REF(LOF_LOF_INT) V_LLI;
V_LLI :- P_LLI.FIRST QUA LOF_LOF_INT;
WHILE V_LLI =/= NONE DO BEGIN
REF(HEAD) V_NEWLIST;
V_NEWLIST :- NEW HEAD;
! ADD THE SAME 1ST ELEMENT TO EVERY NEWLIST ;
NEW LOF_INT(P_LI.FIRST QUA LOF_INT.N).INTO(V_NEWLIST);
IF NOT V_LLI.H.EMPTY THEN BEGIN
REF(LOF_INT) V_LI;
V_LI :- V_LLI.H.FIRST QUA LOF_INT;
WHILE V_LI =/= NONE DO BEGIN
NEW LOF_INT(V_LI.N).INTO(V_NEWLIST);
V_LI :- V_LI.SUC;
END;
END;
NEW LOF_LOF_INT(V_NEWLIST).INTO(V_RESULT);
V_LLI :- V_LLI.SUC;
END;
END;
MAP :- V_RESULT;
END MAP;
REF(HEAD) PROCEDURE SUBSETS(P_LI);
REF(HEAD) P_LI;
BEGIN
REF(HEAD) V_RESULT;
IF P_LI.EMPTY THEN BEGIN
V_RESULT :- NEW HEAD;
NEW LOF_LOF_INT(NEW HEAD).INTO(V_RESULT);
END ELSE BEGIN
REF(HEAD) V_SUBSET, V_MAP;
REF(LOF_INT) V_LI;
V_SUBSET :- NEW HEAD;
V_LI :- P_LI.FIRST QUA LOF_INT;
! SKIP OVER 1ST ELEMENT ;
IF V_LI =/= NONE THEN V_LI :- V_LI.SUC;
WHILE V_LI =/= NONE DO BEGIN
NEW LOF_INT(V_LI.N).INTO(V_SUBSET);
V_LI :- V_LI.SUC;
END;
V_RESULT :- SUBSETS(V_SUBSET);
V_MAP :- MAP(P_LI, V_RESULT);
IF NOT V_MAP.EMPTY THEN BEGIN
REF(LOF_LOF_INT) V_LLI;
V_LLI :- V_MAP.FIRST QUA LOF_LOF_INT;
WHILE V_LLI =/= NONE DO BEGIN
NEW LOF_LOF_INT(V_LLI.H).INTO(V_RESULT);
V_LLI :- V_LLI.SUC;
END;
END;
END;
SUBSETS :- V_RESULT;
END SUBSETS;
PROCEDURE PRINT_LIST(P_LI); REF(HEAD) P_LI;
BEGIN
OUTTEXT("[");
IF NOT P_LI.EMPTY THEN BEGIN
INTEGER I;
REF(LOF_INT) V_LI;
I := 0;
V_LI :- P_LI.FIRST QUA LOF_INT;
WHILE V_LI =/= NONE DO BEGIN
IF I > 0 THEN OUTTEXT(",");
OUTINT(V_LI.N, 0);
V_LI :- V_LI.SUC;
I := I+1;
END;
END;
OUTTEXT("]");
END PRINT_LIST;
PROCEDURE PRINT_LIST_LIST(P_LLI); REF(HEAD) P_LLI;
BEGIN
OUTTEXT("[");
IF NOT P_LLI.EMPTY THEN BEGIN
INTEGER I;
REF(LOF_LOF_INT) V_LLI;
I := 0;
V_LLI :- P_LLI.FIRST QUA LOF_LOF_INT;
WHILE V_LLI =/= NONE DO BEGIN
IF I > 0 THEN BEGIN
OUTTEXT(",");
! OUTIMAGE;
END;
PRINT_LIST(V_LLI.H);
V_LLI :- V_LLI.SUC;
I := I+1;
END;
END;
OUTTEXT("]");
OUTIMAGE;
END PRINT_LIST_LIST;
INTEGER N;
REF(HEAD) V_RANGE;
REF(HEAD) V_LISTS;
V_RANGE :- NEW HEAD;
V_LISTS :- SUBSETS(V_RANGE);
PRINT_LIST_LIST(V_LISTS);
OUTIMAGE;
FOR N := 1 STEP 1 UNTIL 4 DO BEGIN
NEW LOF_INT(N).INTO(V_RANGE);
V_LISTS :- SUBSETS(V_RANGE);
PRINT_LIST_LIST(V_LISTS);
OUTIMAGE;
END;
END.