с СОРом
1,3,5 задание​

11000 (2) = 30 (8) = 18 (16) = 24 (10)

100111 (2) = 47 (8) = 27 (16) = 39 (10)

10100011 (2) = 243 (8) = а3 (16) = 163 (10)

101010101010 (2) = 5252 (8) = (16) = 2730 (10)

program xxx;

  var i, k, c, e : integer

begin

  k: =0;

  for i: =100 to 999 do

      begin

          c: = i div 100;

          e: =i mod 10;

          if c = e then k: =k+1

    end;

  writeln('кол-во палиндромов =', k);

  readln

end.

var

s,a,n,i,min,max: integer;

begin

min: =32767;

max: =-32768;

readln(n);

for i: =1 to n do

begin

readln(a);

if a< min then min: =a;

if a> max then max: =a;

end;

s: =(min+max)/2;

writeln(s);

end.

в си:

# include < stdio.h> # include < conio.h> void main ()  {

    clrscr();

    int x,y,c,k;

    printf("vvedite x \n");  

    scanf("%d",& x);

    printf("vvedite y \n");  

    scanf("%d",& y);

    printf("vvedite c \n");  

    scanf("%d",& c);

    k=x+(y/(2*c));

    printf("otvet: %d \n",k);

    getch();

  }