9 lines
230 B
Python
9 lines
230 B
Python
def f(n):
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res = 0
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cont_op = 0
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for i in range(1, n*n+1, 2):
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for j in range(2, n+2, i+1):
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for k in range(j//2, i+2, j//2+1):
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res += j+1
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cont_op += 1
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return cont_op
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