#!/usr/bin/python
"""Time-sharing simulation.

Many users are using a cluster.  They submit 100 computations at
random seconds.  How loaded are the most-loaded seconds?

"""

import numpy
import random
import sys

def loads(users, seconds):
    zz = numpy.zeros(seconds)
    for ii in range(users):
        seconds = set()
        for n in range(100): # each user uses the cluster 100 seconds per hour
            s = random.randrange(len(zz))
            while s in seconds:
                s = random.randrange(len(zz))
            seconds.add(s)
        zz[list(seconds)] += 1
    return sorted(zz)[-40:]

if __name__ == '__main__':
    print loads(3 if len(sys.argv) == 1 else int(sys.argv[1]),
                3600 if len(sys.argv) <= 2 else int(sys.argv[2]))