Update 1990 winning entries' README.md files
Format and typo fixes.
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@@ -12,7 +12,7 @@ USA
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make all
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```
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## To run
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## To run:
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```sh
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./cmills [starting_cash]
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@@ -23,8 +23,9 @@ work in modern systems (it resulted in a bus error otherwise). Thank you Yusuke
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for your assistance!
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[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) made this safer by
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using `fgets()` instead of `gets()`. This avoids a potentially alarming warning
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at compiling and/or linking and/or runtime. Thank you Cody for your assistance!
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using `fgets()` instead of `gets()`. This avoids an annoying and potentially
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alarming warning at compiling and/or linking and/or runtime that in some cases
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is interspersed with the program's output. Thank you Cody for your assistance!
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For the original code see the [1992 archive](/archive/archive-1990.tar.bz2).
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+7
-5
@@ -5,11 +5,13 @@ Imperial College, University of London
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Myrsinis 1
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GR-145 62 Kifissia
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Greece
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<https://www.spinellis.gr/>
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<https://www.spinellis.gr/>
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## To build:
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make all
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```sh
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make all
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```
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[Yusuke Endoh](/winners.html#Yusuke_Endoh) fixed this for modern systems. Thank
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@@ -17,10 +19,10 @@ you Yusuke!
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[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) removed the erroneous
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prototype to `fopen()` and made this use `fgets()` instead of `gets()` to make
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it safer and to prevent a potentially alarming warning at compiling and/or
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linking and/or runtime. Thank you Cody for your assistance!
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it safer and to prevent an annoying and potentially alarming warning at
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compiling and/or linking and/or runtime. Thank you Cody for your assistance!
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## To run
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## To run:
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```sh
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./dds
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+3
-3
@@ -27,7 +27,7 @@ make all
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[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) fixed the script to
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work properly in modern environments (to do with PATH not having '.' in it). He
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notes that with an invocation in the try section below you will with macOS get
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notes that with an invocation in the try section below will with macOS show
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what appears to be an error message but is actually okay. He gives more
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information in the [bugs.md](/bugs.md) file. Thank you Cody for the help and
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notes!
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@@ -136,7 +136,7 @@ environment.
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----------------------------------------------
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### Portability:
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### Portability
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We have ported this program to a wide variety of systems. Among
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these are:
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@@ -152,7 +152,7 @@ these are:
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- Dynix / Sequent Balance ('cc' for Natl. Semi. base + 'gcc 1.36')
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- Unicos / Cray 2
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### Obfuscation:
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### Obfuscation
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We (the authors) feel this program is obfuscated for the
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following reasons:
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@@ -51,6 +51,8 @@ to functions!
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## Author's remarks:
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Rot13:
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Vg vf fvzcyr gb znxr gur cebtenz cevag bgure fgevatf. Rnpu
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nycunorgvpny punenpgre sebz n gb m vf cevagrq bhg nf vgf
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bccbfvgr:
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+18
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@@ -21,9 +21,9 @@ that dump core when NULL is dereferenced but this problem showed itself in
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modern systems even with the 4 '0 0 0 0'. He also fixed a segfault if not enough
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args are specified and fixed the code so that the generated `fibonacci.c`
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actually works; before it just printed `0` over and over again (since it did not
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work anyway a segfault prevention was added here). He also some array addressing
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(some of which might not be strictly necessary but as he was testing the
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`fibonacci.c` bug he ended up changing it anyway). Finally he changed this
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work anyway a segfault prevention was added here). He also fixed some array
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addressing (some of which might not be strictly necessary but as he was testing
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the `fibonacci.c` bug he ended up changing it anyway). Finally he changed this
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program to use `fgets()` not `gets()` to make it safer and to prevent a warning
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about `gets()` at linking or runtime. Thank you Cody for your assistance!
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@@ -40,12 +40,13 @@ initially. Thank you Yusuke!
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where:
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expression - function f(x,y) (see below)
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x1 - start of interval
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x2 - end of interval
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h - step size
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y1 - initial value (y(x1) == y1)
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```
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expression - function f(x,y) (see below)
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x1 - start of interval
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x2 - end of interval
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h - step size
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y1 - initial value (y(x1) == y1)
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```
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## Try:
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@@ -65,15 +66,17 @@ The program's source implements four functions, all from the
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same source file!
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When you compile theorem.c as is and run with 5 args, it numerically
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solves the equation y'=f(x,y), with a step size of h, over the interval
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x=[x1,x2], with the initial condition of y(x1)=y1.
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solves the equation `y'=f(x,y)`, with a step size of `h`, over the interval
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`x=[x1,x2]`, with the initial condition of `y(x1)=y1`.
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The 'expression' f(x,y), is any function of 'x' and 'y' with the
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The 'expression' `f(x,y)` is any function of `x` and `y` with the
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operators:
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+ - * / ^
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```
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+ - * / ^
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```
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The symbol '^' is the power operator. Note that it only supports
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The symbol `^` is the power operator. Note that it only supports
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integer powers. Also note that all expressions are evaluated strictly
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left to right. (i.e., parenthesis aren't supported).
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@@ -128,7 +131,7 @@ received a standing ovation; a first for a contest entry.
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## Author's remarks:
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Differential equations are solved via the Runge-Kutta method, which guarantees
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local error proportional to h^5, and total error across a finite interval is at
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local error proportional to `h^5`, and total error across a finite interval is at
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most a constant times `h^4`.
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Sorting is accomplished with a standard shell sort.
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@@ -55,18 +55,19 @@ Use `westley.alt` as you would `westley`.
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## Judges' remarks:
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If you would rather "Daisy" someone other than Westley, rename
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the program as needed. :-)
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Read each block of code as if it were a piece of correspondence.
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For example, the first block of code would read:
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charlie,
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doubletime me, OXFACE!
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not interested, get out
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mainly die, charly, *die*
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signed charlotte
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```
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charlie,
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doubletime me, OXFACE!
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not interested, get out
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mainly die, charly, *die*
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signed charlotte
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```
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The original source had control-L's after each code block. To
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make it easier on news readers, we converted each control-L to
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@@ -86,7 +87,7 @@ Lint complains about everything - null effect, xxx may be used before
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set, statement not reached, return(e) and return. Lint dumps core
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on some systems. My personal favorite lint complaint is
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"warning: eroticism unused in function main".
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**_"warning: eroticism unused in function main"._**
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Also obviously, `(char)lotte` and `(char*)lie` are incompatible types...
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