generate a sequence Post: 302514321

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Top Forums Shell Programming and Scripting generate a sequence Post 302514321 by sk1418 on Friday 15th of April 2011 11:28:07 AM

04-15-2011

Registered User

python script:

PHP Code:



#!/usr/bin/python

mtn=[]
l=[]
def printSeq(n):
    global l
    l = range(1,n+1)
    length = len(l)
    global mtn
    mtn = [str(x)+"->"+str(x+1) for x in l if x<l[-1]]
    for x in mtn:
        print x

    for x in range(2, length):
        print "" # empty line
        for e in range(length):
            if e+x< length:
                generateOtherSeq(l[e:x+e+1])
    
def generateOtherSeq(myl):
    for i in range(len(myl)):
        ll = list(myl)
        if i+1 < len(myl):
            ll[i] = mtn[l.index(myl[i])]
            ll.remove(ll[i+1])
            print ",".join([str(x) for x in ll])
         

printSeq(5)

you can change the last line "5" to any number you like. for example "7" will give you this output:

Code:

kent$ python pyseq.py
1->2
2->3
3->4
4->5
5->6
6->7

1->2,3
1,2->3
2->3,4
2,3->4
3->4,5
3,4->5
4->5,6
4,5->6
5->6,7
5,6->7

1->2,3,4
1,2->3,4
1,2,3->4
2->3,4,5
2,3->4,5
2,3,4->5
3->4,5,6
3,4->5,6
3,4,5->6
4->5,6,7
4,5->6,7
4,5,6->7

1->2,3,4,5
1,2->3,4,5
1,2,3->4,5
1,2,3,4->5
2->3,4,5,6
2,3->4,5,6
2,3,4->5,6
2,3,4,5->6
3->4,5,6,7
3,4->5,6,7
3,4,5->6,7
3,4,5,6->7

1->2,3,4,5,6
1,2->3,4,5,6
1,2,3->4,5,6
1,2,3,4->5,6
1,2,3,4,5->6
2->3,4,5,6,7
2,3->4,5,6,7
2,3,4->5,6,7
2,3,4,5->6,7
2,3,4,5,6->7

1->2,3,4,5,6,7
1,2->3,4,5,6,7
1,2,3->4,5,6,7
1,2,3,4->5,6,7
1,2,3,4,5->6,7
1,2,3,4,5,6->7

Last edited by sk1418; 04-15-2011 at 12:34 PM..

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