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problem28.py
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problem28.py
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import time
def calculate_time(func):
def inner1(*args, **kwargs):
begin = time.time()
returned_value = func(*args, **kwargs)
end = time.time()
print("Total time taken in : ", func.__name__, end - begin)
return returned_value
return inner1
# sum of number in diagonals which has k number
def sum_spiral_diagonals(k):
sum28 = 0
topright = (2*k -1)**2
topleft = topright - 2*k + 2
upperleft = topleft -2*k + 2
upperright = upperleft -2*k + 2
sum28 = topright + topleft + upperleft + upperright
return sum28
@calculate_time
def main():
""" Main program """
n = int((1001 + 1)/2)
sum28 = 1
for i in range (2, n + 1):
sum28 += sum_spiral_diagonals(i)
print(sum28)
return 0
if __name__ == "__main__":
main()