Created
March 21, 2017 00:42
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""" | |
author: Valar_Dragon | |
""" | |
#https://www.youtube.com/watch?v=Qcv1IqHWAzg | |
import hashlib | |
def main(maleFile,femaleFile,reverse): | |
males = [[-10000]] | |
maleIDNameMap = {} | |
females = [[-10000]] | |
femaleIDNameMap = {} | |
loadData(males,maleIDNameMap,maleFile) | |
loadData(females,femaleIDNameMap,femaleFile) | |
#Format is that the man's index is there id, and inside is [x,y] where y is id of person they're paired with, | |
# and x is his rank for that person, rank being 0-based | |
manCurrentAssignments = [[1000000,-1000]]*len(males) | |
unassignedWomenIDs = list(range(1,len(females))) | |
while(len(unassignedWomenIDs) != 0): | |
#use i, so I don't ahve to worry about modifying list while looping through it. | |
i = len(unassignedWomenIDs) - 1 | |
while(i >= 0): | |
womanID = unassignedWomenIDs[i] | |
i-=1 | |
#pop so that I don't check same combo again later. | |
nextPrefferedManID = females[womanID].pop(0) | |
thisWomanPrefferenceRank = males[nextPrefferedManID].index(womanID) | |
if(manCurrentAssignments[nextPrefferedManID][0] > thisWomanPrefferenceRank): | |
# assign this woman to this man | |
del unassignedWomenIDs[i+1] | |
oldAssigneeID = manCurrentAssignments[nextPrefferedManID][1] | |
if(oldAssigneeID==-1000): | |
#ezpz | |
manCurrentAssignments[nextPrefferedManID] = [thisWomanPrefferenceRank,womanID] | |
else: | |
#gotta kick off old woman, and try everything in range 1... cur | |
#except I'm doing something clever and only keeping men she hasn't tried on listRef | |
#so program may just iterate a few more times. No recursive dealing with kicking off more | |
#and more women. | |
unassignedWomenIDs.append(oldAssigneeID) | |
manCurrentAssignments[nextPrefferedManID] = [thisWomanPrefferenceRank,womanID] | |
output = [] | |
if(reverse): | |
for i in range(1,len(males)): | |
output.append([femaleIDNameMap[manCurrentAssignments[i][1]],maleIDNameMap[i]]) | |
else: | |
for i in range(1,len(males)): | |
output.append([maleIDNameMap[i],femaleIDNameMap[manCurrentAssignments[i][1]]]) | |
return output | |
def loadData(listRef,idRef,fname): | |
lines = [] | |
with open(fname) as f: | |
lines = f.readlines() | |
i = 1 | |
for line in lines: | |
elements = line.split(' ') | |
idRef[i] = elements[0] | |
tmp = [] | |
for k in range(1,len(elements)): | |
tmp.append(int(elements[k][:-1])) | |
listRef.append(tmp) | |
i += 1 | |
maleFirst = main('male','female',False) | |
femaleFirst = main('female','male',True ) | |
toMD5 = [] | |
for i in maleFirst: | |
for j in femaleFirst: | |
if(i[0] == j[0]): | |
if(i[1]==j[1]): | |
toMD5.append(i) | |
#print(toMD5) | |
print(len(toMD5)) | |
# For MD5 | |
md5String = "" | |
for i in toMD5: | |
md5String += "(%s,%s)" %(i[0], i[1]) | |
md5 = hashlib.md5(md5String.encode()).hexdigest() | |
print(md5) |
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