RosettaCodeData/Task/Digital-root-Multiplicative.../Component-Pascal/digital-root-multiplicative...

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MODULE MDR;
IMPORT StdLog, Strings, TextMappers, DevCommanders;
PROCEDURE CalcMDR(x: LONGINT; OUT mdr, mp: LONGINT);
VAR
str: ARRAY 64 OF CHAR;
i: INTEGER;
BEGIN
mdr := 1; mp := 0;
LOOP
Strings.IntToString(x,str);
IF LEN(str$) = 1 THEN mdr := x; EXIT END;
i := 0;mdr := 1;
WHILE i < LEN(str$) DO
mdr := mdr * (ORD(str[i]) - ORD('0'));
INC(i)
END;
INC(mp);
x := mdr
END
END CalcMDR;
PROCEDURE Do*;
VAR
mdr,mp: LONGINT;
s: TextMappers.Scanner;
BEGIN
s.ConnectTo(DevCommanders.par.text);
s.SetPos(DevCommanders.par.beg);
REPEAT
s.Scan;
IF (s.type = TextMappers.int) OR (s.type = TextMappers.lint) THEN
CalcMDR(s.int,mdr,mp);
StdLog.Int(s.int);
StdLog.String(" MDR: ");StdLog.Int(mdr);
StdLog.String(" MP: ");StdLog.Int(mp);StdLog.Ln
END
UNTIL s.rider.eot;
END Do;
PROCEDURE Show(i: INTEGER; x: ARRAY OF LONGINT);
VAR
k: INTEGER;
BEGIN
StdLog.Int(i);StdLog.String(": ");
FOR k := 0 TO LEN(x) - 1 DO
StdLog.Int(x[k])
END;
StdLog.Ln
END Show;
PROCEDURE FirstFive*;
VAR
i,j: INTEGER;
five: ARRAY 5 OF LONGINT;
x,mdr,mp: LONGINT;
BEGIN
FOR i := 0 TO 9 DO
j := 0;x := 0;
WHILE (j < LEN(five)) DO
CalcMDR(x,mdr,mp);
IF mdr = i THEN five[j] := x; INC(j) END;
INC(x)
END;
Show(i,five)
END
END FirstFive;
END MDR.