#include <iostream>
#include <iomanip>

const int first = 0x21;
const int last = 0x7e;

const int height = 16;
const int begin = (first / height * height);
const int end = (last / height * height + height);
const int width = (end - begin) / height;

int main()
{
	std::cout << std::hex << ' ';

	for(int i = begin; i < end; i += height)
		std::cout << std::setw(3) << "0x" << i;

	std::cout << std::endl;

	for(int i = 0; i < height; ++i)
	{
		std::cout << i;

		for(int j = 0; j < width; ++j)
		{
			int c = begin + i + j * height;

			std::cout << std::setw(5) << ((first <= c && c <= last) ? static_cast<char>(c) : ' ');
		}

		std::cout << std::endl;
	}
}

  0x20 0x30 0x40 0x50 0x60 0x70
0         0    @    P    `    p
1    !    1    A    Q    a    q
2    "    2    B    R    b    r
3    #    3    C    S    c    s
4    $    4    D    T    d    t
5    %    5    E    U    e    u
6    &    6    F    V    f    v
7    '    7    G    W    g    w
8    (    8    H    X    h    x
9    )    9    I    Y    i    y
a    *    :    J    Z    j    z
b    +    ;    K    [    k    {
c    ,    <    L    \    l    |
d    -    =    M    ]    m    }
e    .    >    N    ^    n    ~
f    /    ?    O    _    o