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[AtCoder]ABC-108|A - Pair
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提出結果
def getInt():
return int(input())
def main():
k = getInt()
x = k // 2
y = k % 2
print(x * (x + y))
if __name__ == "__main__":
main()
def getInt():
return int(input())
def main():
k = getInt()
x = k // 2
y = k % 2
print(x * (x + y))
if __name__ == "__main__":
main()
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