1) От 10 до 14
2) random(1, 10); random(-10,10); random(50,100);
3)
var a:array[1..100] of integer;
i, p, o:integer;
begin
p := 0;
o := 0;
for i := 1 to 100 do
a[i] := random(-20, 20);
writeln(a);
for i := 1 to 100 do begin
if a[i] >= 0 then p := p + 1
else o := o + 1;
end;
writeln('Положительных: ' + p);
writeln('Отрицательных: ' + o);
end.
4)
var a:array[1..20] of integer;
b:array[1..20] of integer;
i:integer;
begin
randomize;
for i := 1 to 20 do
begin
a[i] := random(1, 5);
b[i] := random(1, 5);
end;
for i := 1 to 20 do begin
if a[i] = b[i] then begin
writeln('Номер: ' + i);
writeln('Значение: ' + a[i]);
end;
end;
end.
var
a, b, c, d: integer;
sr: real;
begin
readln(a, b, c, d);
sr := (a+b+c+d)/4;
writeln(sr);
end.
2.
begin
writeln('Рост: 181');
writeln('Вес: 81');
writeln('Возраст: 28');
end.
3.
var
a, b, c, d: integer;
x1, x2: real;
begin
readln(a, b, c);
d := b*b-4*a*c;
if d > 0 then
begin
x1:=(-b+sqrt(d))/(2*a);
x2:=(-b-sqrt(d))/(2*a);
writeln(x1, ' ', x2);
end;
if d < 0 then
begin
x1:=-b/(2*a);
writeln(x1);
end;
if d > 0 then
writeln('Корней нет');
end.