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-- to use, type the following in the commandline: runhaskell tests.hs | |
expect :: (Eq a, Show a, Monad m) => a -> a -> m () | |
expect a b = do | |
if a == b then | |
return () | |
else | |
fail ("Expected " ++ (show a) ++ " but got " ++ (show b) ++ " instead.") | |
main = do |
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expect :: (Eq a, Show a, Monad m) => a -> a -> m () | |
expect a b = do | |
if a == b then | |
return () | |
else | |
fail ("Expected " ++ (show a) ++ " but got " ++ (show b) ++ " instead.") | |
run_tests = do | |
expect 1 1 | |
expect 1 2 |
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table = {0: 0, 1: 1} | |
def fib(n): | |
if n not in table: | |
table[n] = fib(n - 1) + fib(n - 2) | |
return table[n] | |
phi = 1.618033988749895 | |
psi = 1 - phi | |
def binet(n): | |
phi_n = pow(phi,n) |
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Maxima(P1...Pn) | |
if n=1: return <p1> | |
A = {a1...aj} = Maxima(p1...pn/2) | |
S = {s1...sk} = Maxima(pn/2...pn) | |
i = 1 | |
while ai > s1.y and i < j, do: i += 1 | |
return {a1...a(i-1)} + {s1...sk} |
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public class Untitled { | |
public static void main(String[] params){ | |
Life life = new Life(); | |
String[][] list = life.readGame(); | |
life.print(list); | |
System.out.println(); | |
for(int i = 1; i <= 5; i++){ | |
list = life.run(list); |
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from itertools import combinations | |
# in is the number of dimensions of the cube (3 for a 3d cube) | |
def generate_vertices(n): | |
for number_of_ones in xrange(0, n + 1): | |
for location_of_ones in combinations(xrange(0,n), number_of_ones): | |
location_of_ones = set(location_of_ones) | |
yield [1 if i in location_of_ones else 0 for i in xrange(0, n) ] | |
for vertex in generate_vertices(3): |
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input: .test--aSdF! | |
output: | |
.etst--SFad! | |
.estt--dFSa! | |
.estt--FaSd! | |
.stet--dFaS! | |
.etts--dFSa! | |
.tets--FaSd! | |
.stte--dSaF! | |
.tets--FadS! |
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import re | |
from itertools import * | |
string = raw_input() | |
parts = re.split('([^a-zA-Z]+)', string) | |
alpha_parts = [part for part in parts if re.match("[a-zA-Z]+",part)] | |
perms = permutations(apply(chain,alpha_parts)) |
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import re | |
# input is a list of tokens (token is a number or operator) | |
tokens = raw_input() | |
# remove whitespace | |
tokens = re.sub('\s+', '', tokens) | |
# split by addition/subtraction operators | |
tokens = re.split('(-|\+)', tokens) |
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package recursionwachs; | |
public class Main { | |
// runs in O(n). Accesses ruler array elements contiguously for optimal speed | |
public static void computeTicksIterative(int[] ruler) { | |
for (int i = 0; i < ruler.length-1; i++) { | |
ruler[i] = bitToI[Integer.lowestOneBit(i)%37]; | |
} | |
} |
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