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这个负数risk真是坑人一开始瞅了一眼感觉int不会超范围，就用的int了。 第一次 WA，看了下评论区，噢，居然还有负数。 遂把范围改为 (-1*total_str-1, total_weight] 改了好久才发现total_str超范围了，换成 -1*INF就OK了 Followed by: Post your reply here: |
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