Re: [PLUG] Why Can't Programmers.. Program?

[Andrew Libby <andrew.libby@gmail.com>]

Nice.  I came up with a solution that I don't I saw, it's nothing
amazing, but it does only a single modulus per loop:

#!/usr/bin/env ruby

1.upto(100).each do |i|
  puts(
    case i % 15
    when 0 then :FizzBuzz
    when 3,6,9,12 then :Fizz
    when 5,10 then :Buzz
    else i
    end
  )
end

Andy



On 9/13/17 7:34 PM, Philip Rushik wrote:
> I find it hard to believe that there are actually programmers out there
> that can't solve that problem. I know non-programmers that could easily
> solve that problem (I asked a few). Anyways, for the sake of being
> annoying, I implemented this in just about the worst way possible, here
> yall go, enjoy:
> 
> section .data
>     fizz:        db "fizz",10
>     buzz:        db "buzz",10
>     num:         db " "
>     num1:        db "0"
>     num2:        db "0"
>     num3:        db "0"
>                 db 10
> section .text
>     global _start
> 
>     write_buzz:
>         push    rsi
>         lea        rsi, [buzz]
>         call    write
>         pop        rsi
>         ret
> 
>     write_num:
>         mov        rax, rcx
>         mov        r10, 10
>         xor        rdx, rdx
>         div        r10
>         cmp        rdx, 5
>         je        write_buzz
>         cmp        rdx, 0
>         je        write_buzz
>         add        rdx, '0'
>         mov        [num3], dl
>         xor        rdx, rdx
>         div        r10
>         add        rdx, '0'
>         add        rax, '0'
>         mov        [num2], dl
>         mov        [num1], al
> 
>         lea        rsi, [num]
>     write:
>         push    rcx
>         mov        rax, 1
>         mov        rdi, 1
>         mov        rdx, 5
>         syscall
>         pop        rcx
>         ret
> 
>     _start:
>         xor        rcx, rcx
>         _loop:
>             inc        rcx
>             call    write_num
>             cmp        rcx, 100
>             jge        _exit
>             inc        rcx
>             call    write_num
>             inc        rcx
>             lea        rsi, [fizz]
>             call    write
>             mov        rax, rcx
>             xor        rdx, rdx
>             mov        r10, 5
>             div        r10
>             cmp        rdx, 0
>             jne        _loop
>             call    write_buzz
>             jmp        _loop
> 
>         _exit:
>             mov        rax, 60
>             syscall
> 
> 
> 
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