Add preview of 1984-2019
The 2020 winners are hinted it, but the source code is not there,
nor are the hints. Someone could look into the HTML and
see what was commented out, but that is not a problem because
WHO won is known and the name of their AWARD is known already.
Moreover a number of the winners have talked about what their
entirs do, so the commented out spoiler text is not a bit problem.
One will find HTML commented out with:
<!-- XXX remove when 2020 is ready
2020 links here
XXX remove when 2020 is ready -->
The "XXX remove when 2020 is ready" string is found at the
start and end comment blocks. Again, soneone could read
what was commented out, but that is OK since most of that
information is known or can be known. The following files
have such HTML comment blocks in them.
./winners.html
./years-spoiler.html
./years.html
In addition, ./all/summary.txt was modified to not
include the 2020 entries for the momemt.
The 2020 winner code AND write-ups are NOT part of this set.
p.s. The all/all.tar.bz2 does not contain the 2020 source code (yet?).
This commit is contained in:
Landon Curt Noll committed
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@@ -0,0 +1,202 @@
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#!/usr/bin/env make
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#
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# 2014 makefile
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#
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# This work by Landon Curt Noll, Simon Cooper, and Leonid A. Broukhis
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# is licensed under:
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#
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# Creative Commons Attribution-ShareAlike 3.0 Unported License.
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#
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# See: http://creativecommons.org/licenses/by-sa/3.0/
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################
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# tool locations
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################
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#
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SHELL= /bin/bash
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CP= cp
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CPP= cpp
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GUNZIP= gunzip
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LD= ld
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MAKE= make
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RM= rm
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SED= sed
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TAR= tar
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TRUE= true
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# Set X11_LIBDIR to the directory where the X11 library resides
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#
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X11_LIBDIR= /usr/X11R6/lib
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# Set X11_INCLUDEDIR to the directory where the X11 include files reside
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#
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X11_INCDIR= /usr/X11R6/include
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||||
# Compiler warnings
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#
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#CWARN=
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CWARN= -Wall
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#CWARN= -Wall -pedantic
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# compiler standard
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#
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#CSTD=
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#CSTD= -ansi
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CSTD= -std=c11
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# compiler bit architecture
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#
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||||
# Some entries require 32-bitness:
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# ARCH= -m32
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#
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||||
# Some entries require 64-bitess:
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# ARCH= -m64
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#
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# By default we assume nothing:
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#
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ARCH=
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# optimization
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#
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# Most compiles will safely use -O2. Some can use only -O1 or -O.
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||||
# A few compilers have broken optimizers or this entry make break
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||||
# under those buggy optimizers and thus you may not want anything.
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||||
#
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||||
#OPT=
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#OPT= -O
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||||
#OPT= -O1
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OPT= -O2
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#OPT= -O3
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# Libraries needed to build
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#
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LIBS=
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# default flags for ANSI C compilation
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#
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CFLAGS= ${CWARN} ${CSTD} ${ARCH} ${OPT}
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# ANSI compiler
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#
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# Set CC to the name of your ANSI compiler.
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#
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# Some entries seem to need gcc. If you have gcc, set
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# both CC and MAY_NEED_GCC to gcc.
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#
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# If you do not have gcc, set CC to the name of your ANSI compiler, and
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||||
# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
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# to disable such programs.
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#
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CC= cc
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#CC=clang
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MAY_NEED_GCC= gcc
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##############################
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# Special flags for this entry
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##############################
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#
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ENTRY= prog
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DATA=
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ALT_OBJ=
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ALT_ENTRY=
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#################
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# build the entry
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#################
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#
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all: ${ENTRY} ${DATA}
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@${TRUE}
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${ENTRY}: ${ENTRY}.c
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${CC} ${CFLAGS} $< -o $@ ${LIBS}
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# alternative executable
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#
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alt: ${ALT_ENTRY}
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@${TRUE}
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# data files
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#
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data: ${DATA}
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@${TRUE}
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###############
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# utility rules
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###############
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#
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everything: all alt
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clean:
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${RM} -f ${ENTRY}.o ${ALT_OBJ}
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clobber: clean
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${RM} -f ${ENTRY} ${ALT_ENTRY}
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nuke: clobber
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@${TRUE}
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dist_clean: nuke
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@${TRUE}
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install:
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@echo "Surely we are joking Dr. Science!"
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@${TRUE}
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# backwards compatibility
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#
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build: all
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@${TRUE}
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##################
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# 133t hacker rulz
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##################
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#
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love:
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@echo 'not war?'
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@${TRUE}
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haste:
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$(MAKE) waste
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@${TRUE}
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waste:
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@echo 'haste'
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@${TRUE}
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easter_egg:
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@echo you expected to sometimes mis-understand this $${RANDOM} magic
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@echo chongo '<was here>' "/\\oo/\\"
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@echo Readers shall not be disallowed from failong to be unable to not partly misunderstand this partocular final echo.
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# Understand the history of the Homebrew Computer Club
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# as well as the West Coast Computer Faire and
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# you might be confused different. :-)
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#
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supernova: nuke
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@-if [ -r .code_anal ]; then \
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${RM} -f .code_anal_v4; \
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else \
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echo "We are not expected to understand that"; \
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fi
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@${TRUE}
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deep_magic:
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@-if [ -r .code_anal ]; then \
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ccode_analysis --deep_magic 2ed3582ec5c094a093fea2a6bcb9f19439892873c9cc45ed1ceaafe08b7d52e1b2c7cd524be3b0b2 --FNV1a_hash 512-bit "${ENTRY}"; \
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else \
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echo "You are holding it wrong!"; \
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fi
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@${TRUE}
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magic: deep_magic
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@-if [ -r .code_anal ]; then \
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ccode_analysis --mode 391581 --level 216193 --FNV1a_hash 512-bit "${ENTRY}"; \
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else \
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echo "These aren't the primes you're looking for Pauline!"; \
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fi
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@${TRUE}
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@@ -0,0 +1,120 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta name="GENERATOR" content="mkd2html 2.1.5a DL=DISCOUNT">
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||||
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
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<link rel="stylesheet"
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type="text/css"
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href="../hint.css">
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<title>Best handling of beeps</title>
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</head>
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<body>
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<h1>Best handling of beeps</h1>
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<p>Daniel Vik<br>
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<a href="mailto:daniel@vik.cc">daniel@vik.cc</a><br>
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<a href="http://danielvik.com/">http://danielvik.com/</a></p>
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<h2>Judges' comments:</h2>
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<h3>To build:</h3>
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<pre><code>make
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</code></pre>
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<h3>To run:</h3>
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<pre><code>./prog > foo.c
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</code></pre>
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<h3>Try:</h3>
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<pre><code>echo 'Want to hear me beep?' | ./prog > audio_file.raw
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echo 'No. I want chocolate!' | ./prog | mplayer -demuxer rawaudio -
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</code></pre>
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<h3>Selected Judges Remarks:</h3>
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<p>This program sets a new tone for obfuscation. But do you understand
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what it says about obfuscation? Perhaps:</p>
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<pre><code>./prog < prog.c > prog.raw
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</code></pre>
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<p>might speak to your coding style? If not, then perhaps:</p>
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<pre><code>./prog < remarks.markdown | mplayer -demuxer rawaudio -
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</code></pre>
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<p>might help? :-)</p>
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<h2>Author’s comments:</h2>
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<h3>Remarks</h3>
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<p>This program converts ascii text to morse audio file and vice versa. As far as
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I can tell, there are at least six chocolate references in this program.</p>
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<p>This program can convert text to morse to a raw 44.1kHz stereo audio file.
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Via streaming to mplayer, you can listen to the morse audio.</p>
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<p>Don’t forget the last ‘-’ as it makes mplayer read from stdin.)</p>
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<h2>Convert audio file with morse signals to text</h2>
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<pre><code>$ ./prog e < audio_file.raw
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</code></pre>
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<p>or alternatively pass a .wav file as input.</p>
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<p>The preferred input format 44.1kHz stereo, but it does a decent job on mono
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input and different frequencies as well.</p>
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<h3>Portability</h3>
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<p>The program is portable to most platforms. The only system dependency is that
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the program relies on writing binary data to stdout.</p>
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<p>Microsoft compilers adds a carriage return to newlines, and to compile the
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program with this platform, the following line can be added after the main
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declaration in order for the program to run correctly:</p>
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<pre><code>_setmode(_fileno(stdout), 0x8000);
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</code></pre>
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<h3>Known Issues</h3>
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<p>The program uses a quite simple algorithm for detecting tone on and off events
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in the morse signal. Hence the program does not work well with noisy input
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signals. I have tested it with several samples of man made morse recordings as
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well as computer generated ones.</p>
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<p>Generally, any recording from ham radio transmissions does not decode due to
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noise and echoes. Other man made recordings may decode, but some characters
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can be incorrect due to too big variation in length of tones and pauses.
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However I found some man made recordings on that decode reasonable well.</p>
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<p>If a recording don’t decode, you could try to pre-process the input with a
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narrow bandpass filter on the frequency of the transmission.</p>
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<hr />
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<!--
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(c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
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This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
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[judges]: http://www.ioccc.org/judges.html
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[cc]: http://creativecommons.org/licenses/by-sa/3.0/
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-->
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<TABLE><TR>
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<TD><a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/3.0/88x31.png" /></a></TD>
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<TD><P>© Copyright 1984-2015,
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<A HREF="/judges.html">Leo Broukhis, Simon Cooper, Landon Curt Noll</A>
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- All rights reserved<BR>
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This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.</P></TD>
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<TD> <!--<a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01 Transitional" height="31" width="88"></a>--></TD>
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</TR></TABLE>
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</body>
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</html>
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@@ -0,0 +1,89 @@
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# Best handling of beeps
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Daniel Vik
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<daniel@vik.cc>
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<http://danielvik.com/>
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## Judges' comments:
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### To build:
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make
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### To run:
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./prog > foo.c
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### Try:
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echo 'Want to hear me beep?' | ./prog > audio_file.raw
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echo 'No. I want chocolate!' | ./prog | mplayer -demuxer rawaudio -
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### Selected Judges Remarks:
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This program sets a new tone for obfuscation. But do you understand
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what it says about obfuscation? Perhaps:
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|
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./prog < prog.c > prog.raw
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||||
|
||||
might speak to your coding style? If not, then perhaps:
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./prog < remarks.markdown | mplayer -demuxer rawaudio -
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might help? :-)
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## Author's comments:
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### Remarks
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This program converts ascii text to morse audio file and vice versa. As far as
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I can tell, there are at least six chocolate references in this program.
|
||||
|
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This program can convert text to morse to a raw 44.1kHz stereo audio file.
|
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Via streaming to mplayer, you can listen to the morse audio.
|
||||
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||||
Don't forget the last '-' as it makes mplayer read from stdin.)
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||||
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## Convert audio file with morse signals to text
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||||
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$ ./prog e < audio_file.raw
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||||
|
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or alternatively pass a .wav file as input.
|
||||
|
||||
The preferred input format 44.1kHz stereo, but it does a decent job on mono
|
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input and different frequencies as well.
|
||||
|
||||
### Portability
|
||||
|
||||
The program is portable to most platforms. The only system dependency is that
|
||||
the program relies on writing binary data to stdout.
|
||||
|
||||
Microsoft compilers adds a carriage return to newlines, and to compile the
|
||||
program with this platform, the following line can be added after the main
|
||||
declaration in order for the program to run correctly:
|
||||
|
||||
_setmode(_fileno(stdout), 0x8000);
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||||
|
||||
### Known Issues
|
||||
|
||||
The program uses a quite simple algorithm for detecting tone on and off events
|
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in the morse signal. Hence the program does not work well with noisy input
|
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signals. I have tested it with several samples of man made morse recordings as
|
||||
well as computer generated ones.
|
||||
|
||||
Generally, any recording from ham radio transmissions does not decode due to
|
||||
noise and echoes. Other man made recordings may decode, but some characters
|
||||
can be incorrect due to too big variation in length of tones and pauses.
|
||||
However I found some man made recordings on that decode reasonable well.
|
||||
|
||||
If a recording don't decode, you could try to pre-process the input with a
|
||||
narrow bandpass filter on the frequency of the transmission.
|
||||
|
||||
--------------------------------------------------------------------------------
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||||
<!--
|
||||
(c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
|
||||
This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
|
||||
|
||||
[judges]: http://www.ioccc.org/judges.html
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||||
[cc]: http://creativecommons.org/licenses/by-sa/3.0/
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||||
-->
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@@ -0,0 +1,29 @@
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#include <stdio.h>
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#include <string.h>
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char X[] =
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" ETIANMSURWDKGOHVF:L:PJBXCYZQ::54:3:::2&:+::::16=/:::(:7:::8:90"
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"::::::::::::?_::::\"::.::::@:::'::-::::::::;!:):::::,:::::";
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int j,w,h,f,u,d,g,e,n,i,l,a,r,p,c,m,o,t,s,Q=32,T[32],W[32],I=13000;
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int main(int v, char** b) {
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for (i=0;v>0&&v<5&&(v*=t=fread(X,1,1,stdin));)
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for (v-1&&101==*1[b]?++g%1500?u+=(g&1^1)*(*X<0?-*X:*X):(f=e,e=w,w=d,d=u,
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m=(1 - h%2* 2 )*(d -f)/ (d<f ?d|1 : 1|f) > 5?T[ h%Q] =o+l , l=W[
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h++%Q]=o,o=0:m,o++,u=main(0,b)):(c=strrchr(X,~(Q&*X&*X/2)&*X)-X,j=255);
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v==1&&(c*j||main(*X-Q?8:24,b));j/=2)c<j?0:main(9+(c-j)/(j/2+1)%2*10,b);
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||||
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||||
for (a=u=0;i<=Q*Q&&!v;j>7&&j<13?s=c*s+T[i/Q]/2,s/=++c:0)
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!(i++%Q)?a=c>a?u=s,c:a,c=s=0:0,j=T[i%Q],j=j?T[i/Q]*10/j:0,j*=(j<5)*2+1;
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for (r+=(h-r)/Q*Q;i<v/4*I;putchar((i/I<v%4)*i%2*85<<(i%176/88)),i++);
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for (g*=!!v;r+t!=h+1&&h>5&&!v;r+t!=h+1?(W[r%Q]>2*u||r==h?p=n=n>6?0:
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putchar(X[p-1+(1<<n)])&0:0,W[r++%Q]>6*u?putchar(Q):0):0)
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*X=Q,p=r%2?++n,2*p+(W[r++%Q]>2*u):p;
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||||
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||||
return 0;
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||||
}
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Reference in new issue
Block a user