1)
from turtle import*
up()
goto(30, 20)
down()
goto(30, 60)
goto(80, 60)
goto(80, 30)
goto(150, 30)
goto(150, 50)
goto(160, 30)
goto(170, 20)
goto(30, 20)
up()
goto(40, 30)
down()
goto(40, 30)
goto(70, 50)
goto(70, 30)
goto(40, 30)
2)
from turtle import*
shape("triangle")
forward(200)
stamp()
write("x")
home()
left(90)
forward(180)
stamp()
write("y")
home()
right(90)
forward(40)
home()
left(180)
forward(50)
home()
up()
goto(10, 10)
down()
for i in range(3):
forward(80 - i*20)
left(90)
forward(80 - i*20)
left(90)
forward(80 - i*20)
left(90)
forward(80 - i*20)
left(90)
up()
goto(20 + i*10, 20 + i*10)
down()
Объяснение:
var
s: string;
i, count: integer;
begin
writeln('Vvedite stroky: ');
readln(s);
for i := 1 to length(s) - 2 do
if copy(s, i, 3) = 'abc' then
count := count + 1;
writeln('Kol-vo: ', count);
end.
2.
var
s1, s2: string;
i, len1, len2: integer;
begin
writeln('Vvedite stroky 1: ');
readln(s1);
writeln('Vvedite stroky 2: ');
readln(s2);
len1 := length(s1);
len2 := length(s2);
if len1 > len2 then writeln('1 stroka dlinnee')
else if len1 < len2 then writeln('2 stroka dlinnee')
else writeln('dlini strok ravnie')
end.
3.
var
s1, s2, s3: string;
begin
writeln('Vvedite stroky 1: ');
readln(s1);
writeln('Vvedite stroky 2: ');
readln(s2);
s3 := s1[1] + s1[2] + s2[1] + s2[2];
writeln('Novaja stroka: ', s3);
end.