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python/40_dynamic_programming/01_bag.py 中bag_with_max_value函数有误 #473

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Bernadette321 opened this issue May 14, 2020 · 0 comments

Bernadette321 commented May 14, 2020 •

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使用专栏中的例子weight: 2,2,4,6,3 value = 3,4,8,9,6

if __name__ == '__main__':
    # [(weight, value), ...]
    items_info = [(2, 3), (2, 4), (4, 8), (6, 9), (3, 6)]
    capacity = 9
    print(bag_with_max_value(items_info, capacity))

的结果不是18而是17
检查发现,比如:

刚设置了值为4, 而在下一轮的"for cur_weight in range(capacity+1)中又被设置为了3
最后的结果如下,与专栏老师讲的也不相同

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