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ychevarrias/comb_permut.py

Created September 19, 2019 01:30
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Combinaciones y permutaciones
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comb_permut.py
prmt = lambda x, y: math.factorial(x)/math.factorial(x-y)
comb = lambda x, y: prmt(x, y)*(math.factorial(y)**-1)
# 6 personas en 4 lugares respetando sus posiciones dan 360 escenarios
assert prmt(6, 4) == 360
# 6 personas en 4 lugares sin importar posiciones dan 15 escenarios
assert comb(6, 4) == 15
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