Вычислить среднее арифметическое положительных элементов массива A(5,6)

// PascalABC.NET 3.1, сборка 1239 от 08.05.2016
begin
  var b:array[1..6,1..6] of integer:=(
    (19,21,23,25,27,29),(57,59,61,63,65,31),
    (55,81,83,85,67,33),(53,79,89,87,69,35),
    (51,77,75,73,71,37),(49,47,45,43,41,39));
  var a:array[1..6,1..6] of integer;  
  var k:=2;
  var k0,k1:integer;
  for var i:=1 to 6 do begin
    for var j:=1 to 6 do Print(b[i,j]);
    Writeln
    end;
  Writeln;
  repeat
    k0:=0;
    k1:=0;
    Writeln('k=',k);
    for var i:=1 to 6 do begin
      for var j:=1 to 6 do begin
        if (b[i,j] mod k) mod 2=0 then
          begin a[i,j]:=1; Inc(k1) end
        else begin a[i,j]:=0; Inc(k0) end;
        Print(a[i,j])
        end;
      Writeln
      end;
    Writeln('k0=',k0,', k1=',k1);
    if k0<>k1 then Inc(k)
  until k0=k1;
  Writeln(NewLine,'k=',k)
end.

Решение
19 21 23 25 27 29
57 59 61 63 65 31
55 81 83 85 67 33
53 79 89 87 69 35
51 77 75 73 71 37
49 47 45 43 41 39

k=2
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=3
0 1 1 0 1 1
1 1 0 1 1 0
0 1 1 0 0 1
1 0 1 1 1 1
1 1 1 0 1 0
0 1 1 0 1 1
k0=12, k1=24
k=4
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=5
1 0 0 1 1 1
1 1 0 0 1 0
1 0 0 1 1 0
0 1 1 1 1 1
0 1 1 0 0 1
1 1 1 0 0 1
k0=14, k1=22
k=6
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=7
0 1 1 1 1 0
0 0 0 1 1 0
1 1 1 0 1 0
1 1 0 0 1 1
1 1 0 0 0 1
1 0 0 0 1 1
k0=16, k1=20
k=8
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=9
0 0 0 0 1 1
0 0 0 1 1 1
0 1 1 1 1 1
1 0 1 1 1 1
1 0 0 0 1 0
1 1 1 0 0 0
k0=16, k1=20
k=10
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=11
1 1 0 0 0 0
1 1 1 1 1 0
1 1 1 1 0 1
0 1 0 1 0 1
0 1 0 0 0 1
0 0 0 1 1 1
k0=16, k1=20
k=12
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=13
1 1 1 1 0 0
0 0 0 0 1 0
0 0 0 0 1 0
0 0 0 0 1 0
1 1 1 1 1 0
1 1 1 1 1 1
k0=18, k1=18

k=13

ответ: 13

((3 + 1) * 3) * 3 = 36 ((3) * 3 + 1 + 1 + 1) * 3 = 36 ((3) * 3 + 1 + 1) * 3 + 1 + 1 + 1 = 36 ((3) * 3 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1) * 3 = 36 ((3) * 3) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1) * 3 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1 + 1 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3 + 1) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 (3) * 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 36 ответ 16 def f0(number, log) #   v = 1   n = number + v   log += " + #{v}"   # log += "[" + n.to_s + "] "   return [n, log] end def f1(number, log) #   v = 3   n = number * v   log = "(#{log}) * #{v}"   # log += "[" + n.to_s + "] "   return [n, log] end def countways(start_num, end_num, op_numbers, max_steps = 0)   ways = {}   ways.store(start_num.to_s, start_num)   max_steps = max_steps == 0 ? (start_num - end_num).abs : max_steps   count = 0   for steps in 1..max_steps           # puts "steps = #{steps}"           new_ways = {}           ways.each_pair{|log, num|                   for k in 0..op_numbers-1                           num1, log1 = f0(num, log) if k == 0                           num1, log1 = f1(num, log) if k == 1                           num1, log1 = f2(num, log) if k == 2                           if num1 == end_num                                   # and log.include? ('[8]')                           then                                   log1 += " = " + end_num.to_s                                   count += 1                                   puts log1                           elsif num1.between? (start_num, end_num)                                   new_ways.store(log1, num1)                           else                                   # log1 = log1 + " = " + num1.to_s + " bad "                                   # puts log1                           end                   end           }           # p [steps, ways.size, new_ways.size]           ways = new_ways   end   return count end