Задан массив x(n получить массив y(n) из элементов x(n) в обратном порядке

1)
program zadacha1;
uses crt;
var b,i,j:integer;
c,pr:real;
a:array [1..4,1..7] of integer;

begin
clrscr;
pr:=1;
for i:=1 to 4 do
begin
for j:=1 to 7 do
begin
readln(a[i,j]);
end;
end;
for i:=1 to 4 do
begin
for j:=1 to 7 do
begin
if (a[i,j] mod 3) = 0 then pr:=pr*a[i,j];
end;
end;
pr:=pr/3;
writeln(pr:2:3);
readkey;
end.

2)
program zadacha2;
uses crt;
const k=8;
var b,i,j,sum:integer;
c,pr:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
pr:=1;
for i:=1 to k do
begin
for j:=1 to k do
begin
a[i,j]:=random(36)+10;
end;
end;

for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;
for j:=1 to k do
begin
if (a[k,j] mod 5) = 0 then pr:=pr*a[i,j];
end;

for i:=1 to k do
begin
for j:=1 to k do
begin
if (i=j) and (a[i,j] > 0) then sum:=sum+a[i,j];
end;
end;

writeln('Prozvedenie ',pr:2:2);
writeln('Summa ',sum);
writeln('Raznostb ',pr-sum:2:2);
readkey;
end.

3)
program zadacha3;
uses crt;
const k=9;
var b,i,j:integer;
sred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
begin
a[i,j]:=random(55-12+1)+12;
end;
end;
for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;

for i:=1 to k do
begin
if (a[i,k] mod 2) = 1 then
begin
l:=l+a[i,k];
b:=b+1;
end;
end;
sred:=l/b;

for i:=1 to k do
begin
if a[i,i]>25 then sum:=sum+a[i,i];
end;
writeln;

writeln('Srednee ',sred:2:2);
writeln('Summa ',sum:2:1);
readkey;
end.

4)
program zadacha4;
uses crt;
const k=5;
var b,i,j:integer;
sred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
begin
a[i,j]:=random(91)-20;
end;
end;
j:=k;
for i:=1 to k do
begin
if (a[i,j] mod 2)<> 0 then
begin
l:=l+a[i,j];
b:=b+1;
end;
j:=j-1;
end;
sred:=l/b;

for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;
writeln;

writeln('Srednee ',sred:4:2);
readkey;
end.

5)
program zadacha5;
uses crt;
const k=5;
var b,i,j:integer;
sred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
begin
a[i,j]:=random(31)-40;
end;
end;
j:=k;
for i:=1 to k do
begin
if (a[i,j] mod 2)<> 0 then
begin
l:=l+a[i,j];
b:=b+1;
end;
j:=j-1;
end;
sred:=l/b;

for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;
writeln;

writeln('Srednee ',sred:4:2);
readkey;
end.

6)

program zadacha6;
uses crt;
const k=6;
var b,i,j:integer;
sred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
begin
a[i,j]:=random(21);
end;
end;
j:=k;
for i:=1 to k do
begin
if a[i,j]>5 then
begin
l:=l+a[i,j];
end;
j:=j-1;
end;
l:=l/2;

for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;
writeln;

writeln('Sum ',l:2:2);
readkey;
end.

7)

program zadacha7;
uses crt;
const k=5;
var b,i,j:integer;
pred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
a[i,j]:=random(10);
end;
j:=k;
for i:=1 to k do
begin
l:=l+a[i,j];
j:=j-1;
end;

for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;

for i:=1 to k do
begin
sum:=sum+a[i,i];
end;
pred:=sum+l;

writeln('Sum ',pred/10:2:2);
readkey;
end.

8)
program zadacha8;
uses crt;
const k=5;
var b,i,j:integer;
pred,sum,l:real;
a:array [1..k,1..k] of integer;

begin
randomize;
clrscr;
for i:=1 to k do
begin
for j:=1 to k do
a[i,j]:=random(10);
end;
j:=k;
for i:=1 to k do
begin
l:=l+a[i,j];
j:=j-1;
end;
l:=l/k;
for i:=1 to k do
begin
for j:=1 to k do
write(a[i,j],' ');
writeln;
end;

for i:=1 to k do
begin
sum:=sum+a[i,i];
end;
sum:=sum/2;

writeln('Sum ',sum:2:2);
writeln('Sred',l:2:2);
readkey;
end.

Program p1;
var a,b:integer;
begin
writeln ('Введите 2 числа');
readln (a,b);
if a=b then writeln ('Числа одинаковые')
else if a>b then
begin writeln ('Наибольшее число ',a);
writeln ('Наименьшее число ',b);
end
else begin writeln ('Наибольшее число ',b);
writeln ('Наиментшее число 10 ',a);
end;
end.

program p2;
var a,b,c,d:integer;
begin
writeln ('Введите 4 числа');
readln (a,b,c,d);
if a<b then a:=b;
if c<d then c:=d;
if a<c then a:=c;
writeln ('Наибольшее число ',a);
end.

program p3;
var a,b,v:integer;
begin
writeln ('Введите возрасты людей:');
write ('Антона - ');
readln (a);
write ('Бориса - ');
readln (b);
write ('Виктора - ');
readln (v);
if (a=b) and (a=v) then writeln ('Все люди одного возраста');
if (a=b) and (a>v) then writeln ('Антон и Борис старше Виктора');
if (a=b) and (a<v) then writeln ('Виктор старше всех')
else if (v>a) and (v>b) then writeln ('Виктор старше всех');
if (b=v) and (b>a) then writeln ('Борис и Виктор старше Антона');
if (b=v) and (b<a) then writeln ('Антон старше всех')
else if (a>v) and (a>b) then writeln ('Антон старше всех');
if (a=v) and (a>b) then writeln ('Антон и Виктор старше Бориса');
if (a=v) and (a<b) then writeln ('Борис старше всех')
else if (b>v) and (b>a) then writeln ('Борис старше всех');
end.