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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
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Task/ABC-Problem/PL-I/abc-problem-1.pli Normal file
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ABC: procedure options (main); /* 12 January 2014 */
declare word character (20) varying, blocks character (200) varying initial
('((B O) (X K) (D Q) (C P) (N A) (G T) (R E) (T G) (Q D) (F S)
(J W) (H U) (V I) (A N) (O B) (E R) (F S) (L Y) (P C) (Z M))');
declare tblocks character (200) varying;
declare (true value ('1'b), false value ('0'b), flag) bit (1);
declare ch character (1);
declare (i, k) fixed binary;
do word = 'A', 'BARK', 'BOOK', 'TREAT', 'COMMON', 'SQuAd', 'CONFUSE';
flag = true;
tblocks = blocks;
do i = 1 to length(word);
ch = substr(word, i, 1);
k = index(tblocks, uppercase(ch));
if k = 0 then
flag = false;
else /* Found a block with the letter on it. */
substr(tblocks, k-1, 4) = ' '; /* Delete the block. */
end;
if flag then put skip list (word, 'true'); else put skip list (word, 'false');
end;
end ABC;

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Task/ABC-Problem/PL-I/abc-problem-2.pli Normal file
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*process source attributes xref or(!) options nest;
abc: Proc Options(main);
/* REXX --------------------------------------------------------------
* 10.01.2013 Walter Pachl counts the number of possible ways
* translated from Rexx version 2
*-------------------------------------------------------------------*/
Dcl (ADDR,HBOUND,INDEX,LEFT,LENGTH,MAX,SUBSTR,TRANSLATE) builtin;
Dcl sysprint Print;
Dcl (i,j,k,m,mm,wi,wj,wlen,ways,lw) Bin Fixed(15);
Dcl blocks(20) Char(2)
Init('BO','XK','DQ','CP','NA','GT','RE','TG','QD','FS','JW',
'HU','VI','AN','OB','ER','FS','LY','PC','ZM');
Dcl blk Char(2);
Dcl words(8) Char(7) Var
Init('$','A','baRk','bOOk','trEat','coMMon','squaD','conFuse');
Dcl word Char(7) Var;
Dcl c Char(1);
Dcl (show,cannot) Bit(1) Init('0'b);
Dcl poss(100,0:100) Pic'99'; poss=0;
Dcl s(20,100) char(100) Var;
Dcl str Char(100);
Dcl 1 *(30) Based(addr(str)),
2 strp Pic'99',
2 * Char(1);
Dcl ns(20) Bin Fixed(15) Init((20)0);
Dcl ol(100) Char(100) Var;
Dcl os Char(100) Var;
wlen=0;
Dcl lower Char(26) Init('abcdefghijklmnopqrstuvwxyz');
Dcl upper Char(26) Init('ABCDEFGHIJKLMNOPQRSTUVWXYZ');
Do wi=1 To hbound(words);
wlen=max(wlen,length(words(wi)));
End;
Do wi=1 To hbound(words);
word = translate(words(wi),upper,lower);
ways=0;
lw=length(word);
cannot='0'b;
poss=0;
ns=0;
ol='';
iloop:
Do i=1 To lw; /* loop over the characters */
c=substr(word,i,1); /* the current character */
Do j=1 To hbound(blocks); /* loop over blocks */
blk=blocks(j);
If index(blk,c)>0 Then Do; /* block can be used in this pos( */
poss(i,0)+=1; /* number of possible blocks for pos i */
poss(i,poss(i,0))=j;
End;
End;
If poss(i,0)=0 Then Do;
Leave iloop;
End;
End;
If i>lw Then Do; /* no prohibitive character */
ns=0;
Do j=1 To poss(1,0); /* build possible strings for char 1 */
ns(1)+=1;;
s(1,j)=poss(1,j);
End;
Do m=2 To lw; /* build possible strings for chars 1 to i */
mm=m-1;
Do j=1 To ns(mm);
Do k=1 To poss(m,0);
ns(m)+=1;
s(m,ns(m))=s(mm,j)!!' '!!poss(m,k);
End;
End;
End;
Do m=1 To ns(lw);
If valid(s(lw,m)) Then Do;
ways+=1;
str=s(lw,m);
Do k=1 To lw;
ol(ways)=ol(ways)!!blocks(strp(k))!!' ';
End;
End;
End;
End;
/*--------------------------------------------------------------------
* now show the result
*-------------------------------------------------------------------*/
os=left(''''!!word!!'''',wlen+2);
Select;
When(ways=0)
os=os!!' cannot be spelt.';
When(ways=1)
os=os!!' can be spelt.';
Otherwise
os=os!!' can be spelt in'!!ways!!' ways.';
End;
Put Skip List(os);
If show Then Do;
Do wj=1 To ways;
Put Edit(' '!!ol(wj))(Skip,a);
End;
End;
End;
Return;
valid: Procedure(list) Returns(bit(1));
/*--------------------------------------------------------------------
* Check if the same block is used more than once -> 0
* Else: the combination is valid
*-------------------------------------------------------------------*/
Dcl list Char(*) Var;
Dcl i Bin Fixed(15);
Dcl used(20) Bit(1);
str=list;
used='0'b;
Do i=1 To lw;
If used(strp(i)) Then
Return('0'b);
used(strp(i))='1'b;
End;
Return('1'b);
End;
End;