Опишите каждый фрагмент программы на естественном языке: 1)Var Z: array[1..15] of integer;
2)for i:=1 to 15 do Z[i]:=random(12)-7;
3)for i:=1 to 15 do write (('Z[', i, ']=', Z[i]););
4)for i:=1 to 15 do if Z[i] 7 then s:=s*Z[i];
Сформулируйте условие задачи, исходя из вышеописанных фрагментов

var

  a : array [1..9] integer;

  i : integer;

begin

  for i := 1 to 9 do

    if i mod 3 = 1 then a[i] := i

    else if i mod 3 = 2 then a[i] := sqr (i - 1)

    else a[i] := a[i - 1] div i;

  for i := 1 to 9 do

    write (a[i], ' ');

end.

 

var

  b, a : array [1..15] of integer;

  i, sa, sb : integer;

begin

  randomize;

  sa := 0; sb := 0;

  for i := 1 to 15 do

  begin

    a[i] := trunc (random (100)) + 1;

    write (a[i], ' ');

    sa := sa + a[i];

  end;

  writeln;

  for i := 1 to 15 do

  begin

    b[i] := sqr (a[i]) - a[i]);

    write (b[i], ' ');

    sb := sb + b[i];

  end;

  writeln;

  writeln (abs (sb - sa));

end.

  

Program gt2;
var i,j,s:integer;
a:array[1..4,1..4]of integer;
begin
randomize;
for i:=1 to 4 do
for j:=1 to 4 do
a[i,j]:=random(7)+12;
for i:=1 to 4 do
begin
s:=0;
for j:=1 to 4 do
s:=s+a[j,i];
writeln(s);
end;
end.

program gt3;
var i,j,s:integer;
a:array[1..7,1..7]of integer;
begin
randomize;
for i:=1 to 7 do
for j:=1 to 7 do
a[i,j]:=random(7)+12;
for i:=1 to 7 do
begin
s:=0;
for j:=1 to 7 do
if(a[j,i]<14)then s:=s+1;
writeln(s);
end;
end.

program gt4;
var i,j,p:integer;
a:array[1..3,1..3]of integer;
begin
for i:=1 to 3 do
for j:=1 to 3 do
read(a[i,j]);
for i:=1 to 3 do
begin
p:=a[i,1];
a[i,1]:=a[i,2];
a[i,2]:=p;
end;
for i:=1 to 3 do
begin
for j:=1 to 3 do
begin
write(a[i,j],' ');
end;
writeln;
end;
end.