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权和为负的样例+不可能存在空集例如: 4 0 0 -1 0 1 -2 0 2 -3 0 3 -4 这样的样例事实上是可以存在的,另外这样的情况权和最大为-1,而n最小为1,因而不可能存在空集,但是题目后台数据只有一组= =,太弱 Followed by: Post your reply here: |
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