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20 lines
454 B
Python
20 lines
454 B
Python
from .__init__ import *
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def combinationsFunc(maxlength=20):
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def factorial(a):
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d = 1
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for i in range(a):
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a = (i + 1) * d
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d = a
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return d
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a = random.randint(10, maxlength)
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b = random.randint(0, 9)
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solution = int(factorial(a) / (factorial(b) * factorial(a - b)))
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problem = "Number of combinations from {} objects picked {} at a time ".format(
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a, b)
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return problem, solution
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