Предмет: Информатика, автор: NikolayAYE

Срочно нужна помощь!!!

1. Дан массив из 30 чисел. Найти произведение четных элементов в массиве кратных 3.

2. Дан массив из 30 чисел. Найти сумму элементов всех трехзначных чисел.

Все на паскале

Ответы

Автор ответа: vimmortal2
0

Программа:

Pascal:  

№1)  

var  

arr: array[1..30] of integer;  

i, pr: integer;  

begin  

// генерация массива из 30 рандомных чисел от -100 до 100  

for i := 1 to 30 do arr[i] := random(-100, 100);  

writeln(arr);  // вывод массива  

pr := 1;

for i := 1 to 30 do if (arr[i] mod 2 = 0) and (arr[i] mod 3 = 0) then pr := pr * arr[i];  

pr.Print();  

end.

№2)  

var  

arr: array[1..30] of integer;  

i, s: integer;  

begin

 // генерация массива из 30 рандомных чисел от -1000 до 1000

for i := 1 to 30 do arr[i] := random(-1000, 1000);

writeln(arr);  // вывод массива  

s := 0;  

for i := 1 to 30 do if (arr[i] >= 100) and (arr[i] < 1000) then begin  

  while arr[i] > 0 do begin  

    s := s + arr[i] mod 10;

    arr[i] := arr[i] div 10;

  end;

end;

s.print();  

end.

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