Var i, j, k : integer; a : array [0..9,0..9] of char; procedure U(i,j:integer); var c : char; begin c:=a[i,j]; a[i,j]:=' '; if (c='W')and(a[i+1,j]='B') then U(i+1,j); if (c='B')and(a[i+1,j]='W') then U(i+1,j); if (c='W')and(a[i-1,j]='B') then U(i-1,j); if (c='B')and(a[i-1,j]='W') then U(i-1,j); if (c='W')and(a[i,j+1]='B') then U(i,j+1); if (c='B')and(a[i,j+1]='W') then U(i,j+1); if (c='W')and(a[i,j-1]='B') then U(i,j-1); if (c='B')and(a[i,j-1]='W') then U(i,j-1); end; begin assign(input,'input.txt'); reset(input); assign(output,'output.txt'); rewrite(output); for i:=1 to 8 do begin for j:=1 to 8 do read(a[i,j]); readln end; for i:=1 to 8 do begin a[0,i]:=' '; a[9,i]:=' '; a[i,0]:=' '; a[i,9]:=' ' end; k:=0; for i:=1 to 8 do for j:=1 to 8 do if a[i,j]<>' ' then begin k:=k+1; U(i,j) end; write(k); close(output) end.
1)
program fantscrin;
var a, b, s:integer;
begin
writeln('Введите стороны прямоугольника:');
write('a = '); readln(a);
write('b = '); readln(b);
s:=a*b;
writeln('Площадь прямоугольника со сторонами ', a, ' и ', b, ' равна ', s);
end.
2)
program fantscrin;
var y, x:real;
begin
write('x = '); readln(x);
if x>=3 then y:= sqrt(x)
else y:= x;
writeln('y = ',y);
end.