Дана матрица C(X,Y). найти в каждом столбце отдельно количество элементов кратных 7 и...

Microsoft QBasic 1.0

DIM x AS INTEGER, y AS INTEGER
CLS
INPUT "X=", x
INPUT "Y=", y
REDIM C(1 TO x, 1 TO y) AS INTEGER
REDIM k(1 TO y) AS INTEGER
REDIM a(1 TO y) AS DOUBLE
RANDOMIZE TIMER
PRINT "M A T R I X   C"
FOR i = 1 TO x
   k(i) = 0: a(i) = 0
   FOR j = 1 TO y
      C(i, j) = INT(50 * RND + 10)
      PRINT USING "###"; C(i, j);
      IF C(i, j) MOD 7 = 0 THEN
         k(i) = k(i) + 1
         a(i) = a(i) + C(i, j)
      END IF
   NEXT j
   PRINT
NEXT i
PRINT
FOR i = 1 TO y
   PRINT USING "###"; k(i);
NEXT i
PRINT " - Количество"
PRINT "Средние"
FOR i = 1 TO y
   IF k(i) <> 0 THEN
      a(i) = a(i) / k(i)
      PRINT a(i)
   ELSE
      PRINT "Infinity"
   END IF
NEXT i

Пример работы программы
X=6
Y=9
M A T R I X   C
38 40 31 33 31 22 54 16 43
23 56 11 19 18 11 34 47 13
59 59 26 23 54 15 53 20 33
28 24 39 46 42 37 47 45 41
20 25 39 35 16 13 12 17 27
17 49 22 29 28 29 52 40 55

0 1 0 2 1 2 0 0 0 - Количество
Средние
Infinity
56
Infinity
35
35
38.5
Infinity
Infinity
Infinity