Як намалювати на формі точку червоного кольору з координатами (20,100)?

Вот на С++:

#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <algorithm>
#include <functional>
#include <cstring>
#include <utility>
#include <bitset>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cstdio>
#include <climits>typedef unsigned long long ulol;
typedef long double ld;
typedef long long lol;
typedef long int  li;#define mp          make_pair
#define F           first
#define S           second
#define sqr(a)      ( (a) * (a) )
#define pb          push_back
#define INF         999999999
#define ret(a)      cout << endl; system("pause"); return(a)
//#define ret(a)      return(a)using namespace std;int main()
{
    ld x;
    cin >> x;
    x = ( 8 / sqrt( x ) ) + sqrt(x);
    cout << x;
    ret(0);
}

// PascalABC.NET 3.1, сборка 1239 от 08.05.2016
begin
  var b:array[1..6,1..6] of integer:=(
    (19,21,23,25,27,29),(57,59,61,63,65,31),
    (55,81,83,85,67,33),(53,79,89,87,69,35),
    (51,77,75,73,71,37),(49,47,45,43,41,39));
  var a:array[1..6,1..6] of integer;  
  var k:=2;
  var k0,k1:integer;
  for var i:=1 to 6 do begin
    for var j:=1 to 6 do Print(b[i,j]);
    Writeln
    end;
  Writeln;
  repeat
    k0:=0;
    k1:=0;
    Writeln('k=',k);
    for var i:=1 to 6 do begin
      for var j:=1 to 6 do begin
        if (b[i,j] mod k) mod 2=0 then
          begin a[i,j]:=1; Inc(k1) end
        else begin a[i,j]:=0; Inc(k0) end;
        Print(a[i,j])
        end;
      Writeln
      end;
    Writeln('k0=',k0,', k1=',k1);
    if k0<>k1 then Inc(k)
  until k0=k1;
  Writeln(NewLine,'k=',k)
end.

Решение
19 21 23 25 27 29
57 59 61 63 65 31
55 81 83 85 67 33
53 79 89 87 69 35
51 77 75 73 71 37
49 47 45 43 41 39

k=2
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=3
0 1 1 0 1 1
1 1 0 1 1 0
0 1 1 0 0 1
1 0 1 1 1 1
1 1 1 0 1 0
0 1 1 0 1 1
k0=12, k1=24
k=4
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=5
1 0 0 1 1 1
1 1 0 0 1 0
1 0 0 1 1 0
0 1 1 1 1 1
0 1 1 0 0 1
1 1 1 0 0 1
k0=14, k1=22
k=6
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=7
0 1 1 1 1 0
0 0 0 1 1 0
1 1 1 0 1 0
1 1 0 0 1 1
1 1 0 0 0 1
1 0 0 0 1 1
k0=16, k1=20
k=8
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=9
0 0 0 0 1 1
0 0 0 1 1 1
0 1 1 1 1 1
1 0 1 1 1 1
1 0 0 0 1 0
1 1 1 0 0 0
k0=16, k1=20
k=10
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=11
1 1 0 0 0 0
1 1 1 1 1 0
1 1 1 1 0 1
0 1 0 1 0 1
0 1 0 0 0 1
0 0 0 1 1 1
k0=16, k1=20
k=12
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
k0=36, k1=0
k=13
1 1 1 1 0 0
0 0 0 0 1 0
0 0 0 0 1 0
0 0 0 0 1 0
1 1 1 1 1 0
1 1 1 1 1 1
k0=18, k1=18

k=13

ответ: 13