1)
var
s : real;
i, n : integer;
begin
s := 0;
read (n);
for i := 1 to n do s := s + 1 / i;
writeln (s);
end.
2)
var
a, i : integer;
begin
a := 1;
for i := 1 to 8 do
begin
a := a * 2;
writeln ('Через ', i * 3, 'часов будет ', a, ' амеб');
end;
end.
3)
var
n, i : integer;
x, s : real;
begin
s := 0;
read (n, x);
for i := 1 to n do
s := s + sin (i * x);
writeln (s);
end.
4)
var
n, a, r, i : integer;
begin
r := 1;
read (a, n);
for i := 1 to n do r := r * a;
writeln (r);
end.
begin
writeln('Введите кол-во раз:');
readln(n);
for i:=0 to n do
begin
a:=random(1000);
b:=random(1000);
writeln('1 число: ',a,', 2 число:',b);
if a>b then writeln(a,'>',b);
if a<b then writeln(a,'<',b);
if a=b then writeln(a,'=',b);
end;
end.