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[AtCoder]ABC-209|B - Can you buy them all?

2023/04/22に公開

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提出結果

def getIntMap():
    return map(int, input().split())


def getIntList():
    return list(map(int, input().split()))


def main():
    n, x = getIntMap()
    a = getIntList()

    print('Yes' if x >= sum(a) - len(a) // 2 else 'No')


if __name__ == "__main__":
    main()

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