Например, если А= {2,24,-3,6,5,-2,33}. результат 265=60.
1 2 3 4 5 6 7 8 9 10 11 12 | CLS INPUT "N=", n DIM a(n) FOR i = 1 TO n PRINT "A("; i; ")="; INPUT a(i) NEXT i P = 1 FOR i = 1 TO n IF a(i) > 0 AND a(i) < 20 THEN P = P * a(i) NEXT i PRINT P |