mazeAddCycle(struct maze *m)
struct position r;
r = randomPosition(m);
while(Mget(m, r).contents != WALL | countNeighbors(m, r) != 2);
Mref(m, r).contents = PATH;
/* Search for a cycle of PATH nodes.
* If found, mark all nodes on the c
Programming in C
UNIXhelp for Users
1.1.3 Questions and comments
Please feel free to send questions or comments on the class or anything connected
to it to email@example.com.
For questions about in
Lets compile and run it and see what happens. Note that we include the flag
-g3 to tell the compiler to include debugging information. This allows gdb to
translate machine addresses back into ident
logging in on the console (the computers are located on the 3rd floor of
AKW), or by connecting remotely via SSH. Telnet access is not allowed.
SSH clients for various operating systems are available here:
Mac OSX comes with a
and we will apportion credit accordingly. Using outside resources in solving a
problem is acceptable but plagiarism is not.
1.3.9 Clarifications for homework assignments
From time to time, ambiguities and errors may creep into homework assignments.
malloc, free, and realloc. Readings: Pointers up through Arrays and
functions; K&R 5.15.4. Examples. 2015-01-28
More on pointers and arrays: Multi-dimensional arrays, C99 variablelength
arrays. Function pointers. Finding storage allocation bugs using
/* look up a position in a maze */
#define Mref(m, pos) (m)->a[(pos).y * (m)->size.x + (pos).x])
#define Mget(m, pos) (assert(pos).x >= 0 & (pos).y >= 0 & (pos).x < (m)->size.x &
(pos)./* add direction to source to get target */
/* returns 1 if targ
in 17HH 111 run Windows, but once logged in, you can create a Linux desktop
remotely from a Zoo machine using a program called FastX. You can also
download and use FastX from your own machine to get access to the full Zoo
environment if you are running Wi
1. Type ALT-F2 (that is, press the ALT and F2 keys simultaneously) to
open a command field.
2. Enter the command gnome-shell mode=classic -r (without the
surrounding quotes) and press the Enter key.
10. A new window with a Zoo Linux desktop
session entry will appear in the FastX window.
4. Click on Start new session to produce a pulldown menu and click on
either Gnome or KDE to choose a window manager (Gnome is the
default in the Zoo) or Xterm to open a terminal window.
WARNING: If you click
Language support for exceptions, namespaces, object-oriented programming,
For most problems where minimizing programmer time and maximizing robustness
are more important than minimizing runtime, other languages are a better
choice. But for this clas
rules for doing common tasks like building .o files (which contain machine code)
from .c files (which contain C source code). If you have a fake target like all
above, it will try to rebuild everything all depends on because there is no file
named all (on
Pull whatever is in register ". (Think paste). < and >
Outdent or indent the current line one tab stop. :make
Run make in the current directory. You can also give it arguments, e.g.,
:make myprog, :make test. Use :cn to go to the next error if you get
the number copied above and click OK. A new window will appear. Click
Close to dismiss it.
10. Quit FastX.
11. Drag the FastX disk icon and then the fastx_1016.dmg icon to the
Trash to clean up.
If you run into difficulties up to this point, seek help fro
If you have already created an account, you can SSH directly to one of
the above computers and log in with your campus-wide NetID and
password. You can also SSH to node.zoo.cs.yale.edu, which will connect
you to a random Zoo node.
Feel free to contact me
22.214.171.124 The rand function from the standard library . . 342
126.96.36.199.1 Supplying a seed with srand . . . . . . 343
188.8.131.52 Better pseudorandom number generators . . . . 344
184.108.40.206 Random numbers without the pseudo . . . . . . 344
220.127.116.11 Range issues