begin repeatwrite('ykashi shislo otverstii ot 5 do 10 n=');
read(n);
until n in [5..10];
clrscr; hidecursor;
xc: =windowwidth div 2;
yc: =windowheight div 2;
r1: =40;
r2: =120;
rc: =100; ro: =30;
a: =2*pi/n;
circle(xc,yc,r2);
circle(xc,yc,r1);
for i: =1 to n do begin x: =xc+round(rc*cos(a*i));
y: =yc-round(rc*sin(a*i));
circle(x,y,ro);
end.
Ответ дал: Гость
1)
var
a: array [1..5,1..10] of integer;
i,j,p: integer;
begin
for i: =1 to 5 do
begin
for j: =1 to 10 do
begin
a[i,j]: =random(50)+1;
write(a[i,j]: 3);
end;
writeln;
end;
writeln('меняем 1 и последнюю строки');
for j: =1 to 10 do
begin
p: =a[1,j];
a[1,j]: =a[5,j];
a[5,j]: =p;
end;
for i: =1 to 5 do
begin
for j: =1 to 10 do
write(a[i,j]: 3);
writeln;
end;
end.
2)
var a: array [1..5, 1..10] of integer; i, j: integer; p: real;
begin for i : = 1 to 5 do begin for j : = 1 to 10 do begin a[i, j] : = random(50) + 1; write(a[i, j]: 3); end; writeln; end; writeln('произведения элементов строк'); for i : = 1 to 5 do begin p : = 1; for j : = 1 to 10 do p : = p * a[i, j]; writeln(p: 25: 0); end; end.
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