#include <iostream>
<span>using namespace std;
</span>int main() {
<span> int a,b;
</span><span> float sr=0;
</span><span> cout<<"a = "; cin>>a;
</span><span> cout<<"b = "; cin>>b;
</span><span> for (int i=a; i<=b; i++) sr+=i;
</span><span> sr=sr/(b-a+1);
</span><span> cout<<sr<<endl;
</span><span> system("pause");
</span><span> return 0;
</span><span>}
</span><span>
</span>
Программа написана на PascalABC.NET
// Ниже код:
program element;
var a: array[1..1000] of real; i, j, c: integer; b: real; begin writeln('Введите число элементов: '); read(j); for i:= 1 to j do begin read(a[i]); b:= b + a[i]; end; b:= b / j; for i:= 1 to j do if a[i] > b then inc(c); writeln; write('Ответ: ', c);end.
Var i,j,k:integer;
begin
for i:=1 to 9 do
for j:=0 to 9 do
for k:=0 to 9 do
if ((i*100+j*10+k) div 11) = (i*i+j*j+k*k)
then writeln(i*100+j*10+k);
end.
Результат:
131
241
324
550
624
803
900
910
Если требуется деление на 11 без остатка, то:
var i,j,k:integer;
begin
for i:=1 to 9 do
for j:=0 to 9 do
for k:=0 to 9 do
if ((i*100+j*10+k) mod 11) = 0 then
if ((i*100+j*10+k) div 11) = (i*i+j*j+k*k)
then writeln(i*100+j*10+k);
end.
Результат:
<span>550
803</span>