21 lines
362 B
Python
21 lines
362 B
Python
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n=5
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def arrangeCoins(n):
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l = 1
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h = n
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while l<=h:
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mid = l + (h-l)//2
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temp = int(mid*(mid+1)/2)
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print(l, mid, h, temp, [ (x*(x+1)//2) for x in range(l,h)])
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if temp == n:
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return mid
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if temp < n:
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l = mid + 1
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else:
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h = mid - 1
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return h
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print(arrangeCoins(n)) |