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不明白题目要求中为什么B<N，B == N，大家的程序还对吗？？且看这个数据！！5 5 100 100 1 1 100 按题意应该是301，但我的程序得到的是302，如果按O（n^3）的动态规划做的话，就应该是301！！ 这种破环的转化真的等价与O（n^3）的dp吗，求大牛解释？？？？ Followed by:
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