C :

#include <stdio.h>

int main() {
	int i;

	for (i = 65; i <= 90; ++i) {
		if (i == 65) {
			printf("%d", i);
		} else {
			printf(" %d", i);
		}
	}
	printf("\n");

	return 0;
}

C++ :

#include<iostream>
using namespace std;
int main()
{
	for (char c='A'; c<'Z'; c++)
		cout<<int(c)<<" ";
	cout<<int('Z')<<endl;
	return 0;
}

Pascal :

program p2678(input,output);
var
  i:char;
begin
  for i:='A' to 'Y' do
    write(ord(i),' ');
  writeln(ord('Z'));
end.