Program main;
var
a: array [1 .. 3, 1 .. 4] of real;
k: array [1 .. 12] of real;
l, i, j, m: integer;
ariph: real;
begin
{ formiruem zadanniy massiv A }
randomize;
WriteLn('Massiv A:');
For i := 1 to 3 do
begin
For j := 1 to 4 do
begin
a[i, j] := 5-random(10); { sluchajnye znachenija } { "-5" ето понты)) }
Write(a[i, j], ' ');
end;
WriteLn;
end;
WriteLn;
WriteLn('Massiv K:');
m := 0;
For i := 1 to 3 do
begin
For j := 1 to 4 do
begin
if (a[i, j] < 0) then
begin
m := m + 1;
k[m] := int(a[i, j]); { celaja chastj ot x }
Write(k[m], ' ');
end;
end;
end;
{ m - dlina massiva K }
{ srednee arifmeticheskoe }
ariph := 0;
For i := 1 to m do
ariph := ariph + k[i];
ariph := ariph / m;
WriteLn;
Write('Sr.Arifm. = ', ariph:4);
Readln;
end.