Merge pull request #765 from xexyl/2014-birken
Add end to code block end in 2014/birken/README.md
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@@ -1 +1,2 @@
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plummer
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plummer.alt
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@@ -57,7 +57,7 @@ ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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CDEFINE= -DZ=200
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# Include files that are needed to compile
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#
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@@ -112,8 +112,8 @@ OBJ= ${PROG}.o
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DATA=
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TARGET= ${PROG}
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#
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ALT_OBJ=
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ALT_TARGET=
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ALT_OBJ= ${PROG}.alt.o
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ALT_TARGET= ${PROG}.alt
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#################
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@@ -136,6 +136,9 @@ ${PROG}: ${PROG}.c
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alt: data ${ALT_TARGET}
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@${TRUE}
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${PROG}.alt: ${PROG}.alt.c
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${CC} ${CFLAGS} $< -o $@ ${LIBS}
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# data files
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#
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data: ${DATA}
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+52
-16
@@ -11,6 +11,7 @@ US
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make all
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```
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## To run:
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```sh
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@@ -22,6 +23,42 @@ where:
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- number is a number (try 21701)
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- arg is any argument
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NOTE: an alternate version exists. See Alternate code section below.
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## Try:
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```sh
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./plummer 01234567890876543210 xxx
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```
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### Alternate code:
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[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) added an alternate
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version which uses `usleep()` so you can see what is happening with faster
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systems. To use:
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```sh
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make alt
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```
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Use `plummer.alt` as you would `plummer`.
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If you wish to change the time to sleep (default `200`) you can do so like:
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```sh
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make clobber CDEFINE="-DZ=50" alt
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```
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#### Try:
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```sh
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./plummer.alt xyzzyzzyx 5555
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```
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Thank you Cody!
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### INABIAF - it's not a bug it's a feature :-)
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This entry will very likely crash or do something else if you run it without
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@@ -41,32 +78,31 @@ specifies the number to start counting from and uses leading `0`s to
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indicate the number of digits, the second argument can be anything
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but must be present.
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Variable names are single characters chosen for their similarity to
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other characters (O for 0, l for 1, S for 5 in some fonts, and _
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for ... well nothing really, but it is easy to miss). To prevent
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the need for `strlen()`, the fact that argv is laid out sequentially
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is exploited (ie. `argv[i + 1] == argv[i] + strlen(argv[i]) + 1`).
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This is not portable (by the books), but it seems to work
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everywhere I try (actually, for VMS, that only holds for `i > 1`).
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Also, I depend on the fact that a carriage return causes the line
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just written to be overwritten. `lint` (and most compilers) complain
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that there is no control path leading to a return from `main()`. At
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125 characters, it still fits on a single line (for those of us who
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don't mind ruining our eyes with 132 column screens).
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Variable names are single characters chosen for their similarity to other
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characters (`O` for `0` (zero), `l` for `1` (one), `S` for `5` (five) in some
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fonts, and `_` for ... well nothing really, but it is easy to miss). To
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prevent the need for `strlen()`, the fact that argv is laid out sequentially is
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exploited (i.e. `argv[i + 1] == argv[i] + strlen(argv[i]) + 1`). This is not
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portable (by the books), but it seems to work everywhere I try (actually, for
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VMS, that only holds for `i > 1`). Also, I depend on the fact that a carriage
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return causes the line just written to be overwritten. `lint` (and most
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compilers) complain that there is no control path leading to a return from
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`main()`. At 125 characters, it still fits on a single line (for those of us
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who don't mind ruining our eyes with 132 column screens).
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The first statement points the base of `l` (the argument vector) to
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be the first argument by incrementing it. It then assigns `O` to
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point to the character before the first character of the second
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argument which also happens to be the NULL termination of the first
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argument which also happens to be the NUL termination of the first
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argument. `*O` gets a `\r` assigned to it. Finally `0` is assigned to
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the first character of the second argument which has the effect of
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NULL terminating the first argument after the carriage return had
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removed its NULL termination. I really tried to make the last part
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NUL terminating the first argument after the carriage return had
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removed its NUL termination. I really tried to make the last part
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of that statement part of the original expression, but the best I
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could do was attach it with a comma (against the advice of K&R).
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The for loop runs the next for loop continuously (actually until
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the machine crashes or the user gets tired of seeing the
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counting). The next for loop is the meat of the program. In the
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counting). The next for loop is the meat of the program. In the
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initialization statement, the string pointed to by `l` (the first
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argument containing the digits used for counting followed by a `\r`)
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is printed, and `_` is started at the least significant digit in the
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@@ -0,0 +1 @@
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char*_,*O;main(S,l)char**l;{*(O=*(l+++S-1)-1)=13,*l[1]=0;for(;;)for(printf(*l),_=O-1,usleep(Z);_>=*l&&++*_>(S+*O+S)*S;*_--=(S+*O)*S);}
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@@ -1,9 +1,6 @@
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# Best Game
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Don Dodson
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AG Communication Systems
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4101 W Union Hills Dr #1104
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Glendale, AZ 85308
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US
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## To build:
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@@ -29,11 +26,10 @@ attempt.
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### Interactive 3D Maze
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Step into a randomly generated 3D maze and try to get out alive!
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Use the vi movement keys (hjkl) to move on a level, and u or d
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to move (u)p or (d)own from a position with a U or D on the
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map. To simulate the feeling of being in an unknown labyrinth,
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areas which you have not visited cannot be seen.
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Step into a randomly generated 3D maze and try to get out alive! Use the vi
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movement keys (`hjkl`) to move on a level, and `u` or `d` to move (u)p or (d)own
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from a position with a `U` or `D` on the map. To simulate the feeling of being
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in an unknown labyrinth, areas which you have not visited cannot be seen.
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Reach the north-west left corner of level 1 to exit.
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@@ -1 +1,2 @@
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thadgavin
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thadgavin_sdl
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@@ -1,6 +1,5 @@
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fs.tar
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gavin
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kernel
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sh
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vi
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gavin.o
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fs/
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+12
-3
@@ -25,7 +25,7 @@ su
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```
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Make a floppy with an ext2 filesystem (`mke2fs /dev/fd0` replacing `fd0` with
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whatever the floppy device is!), mount it under `/mnt/floppy`. Then:
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whatever the floppy device is!), mount it under `/mnt/floppy` and then:
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```sh
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@@ -47,13 +47,13 @@ Move the window away from the corner.
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vi gavin.c
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```
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Scroll the file with up-arrow and down-arrow
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Scroll up and down the file with up-arrow and down-arrow.
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```sh
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sh
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```
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Can have several shell windows:
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You can have several shell windows:
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```sh
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vi README.md
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@@ -62,6 +62,15 @@ vi README.md
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Press and hold any key.
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### Alternate method
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[Yusuke Endoh](/winners.html#Yusuke_Endoh) provided the `kernel` and `fs.tar`
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files which can be used if you cannot normally use this entry. Instead of
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generating the files just use the files provided.
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Thank you Yusuke!
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## Judges' remarks:
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Over the years, we've seen a program that dumps core if executed on a "wrong"
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Binary file not shown.
Binary file not shown.
@@ -27,6 +27,7 @@ make
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./prog
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./prog http://127.0.0.1:1701
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```
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## Judges' remarks:
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@@ -24,17 +24,19 @@ cat image.rgb | ./prog ' .,:;!$#@'
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## Judges' remarks:
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On the face of it :-) given what this program one might wonder what makes this winner special.
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But when you realize the source is small enough to tweet on twitter you understand.
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On the face of it :-) given what this program does one might wonder what makes
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this winner special. But when you realize the source is small enough to tweet
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on twitter you understand.
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Who will be the first to tweet this source? How many re-tweets will such tweet get?
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And how many people will really understand the tweet?
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Who will be the first to tweet this source? How many re-tweets will such tweet
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get? And how many people will really understand the tweet?
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## Author's remarks:
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### Remarks
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This program convert an image to an ASCII ART. The program reads a raw RGB image from **stdin** and print the ASCII ART to **stdout**.
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This program convert an image to an ASCII ART. The program reads a raw RGB image
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from **stdin** and print the ASCII ART to **stdout**.
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The build process will raise some warnings about:
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@@ -45,7 +47,8 @@ The program crash if run without parameters.
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### Screen size
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If you have a terminal geometry than if different from the common 80x25 you can modify the *output width* by changing the value of the first variable:
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If you have a terminal geometry than is different from the common 80x25 you can
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modify the *output width* by changing the value of the first variable:
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```c
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d=80,
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+4
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# Most Pointed Reaction
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Don Yang
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<http://uguu.org/>
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Don Yang
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<http://uguu.org/>
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## To build:
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@@ -65,7 +65,7 @@ echo IOCCC | ./fuuko_cpp98 > output_cpp98.c
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```
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Don't like dango either? Use a C++11 compiler to get just circles (or
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swiss cheese, if you prefer that).
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Swiss cheese, if you prefer that).
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```sh
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g++ -O3 -std=c++11 fuuko.c -lm -o fuuko_cpp11
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@@ -106,7 +106,7 @@ Fuuko has been tested under these environments:
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The most obscure parts are in detecting the subtle differences in
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different dialects. The standard committees put a lot of effort into
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avoiding "quiet changes", but Fuuko is still able exploit a few of
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avoiding "quiet changes", but Fuuko is still able to exploit a few of
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those. It should be an interesting exercise for the reader to figure
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how she did it.
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