buceta.py

import numpy as np
import time


def readMatrixFile(FileName):
   rows,cols=np.fromfile(FileName, dtype=int, count=2, sep=",")
   a = np.fromfile(FileName, dtype=float, count=rows*cols, sep=" ").reshape((rows,cols))
   return a


t1 = time.time()

vetIN = readMatrixFile('1000000.txt')
vet2 = np.zeros(max(vetIN)+1)

for i in vetIN:
    vet2[i] = vet2[i] + 1

for i in range(len(vet2)-1):
    vet2[i+1] = vet2[i+1] + vet2[i]
    
vetOut = np.zeros(len(vetIN)+1)

for i in range(len(vetIN)):
    vetOut[int(vet2[vetIN[i]])] = vetIN[i]
    vet2[vetIN[i]] -= 1 

t2 = time.time();
    
print vetOut
print "Tempo: "  + str(t2-t1);