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Problem 1009 : 题目有限制xi必须为正么?
题目有限制xi必须为正么?
RT,如果没这限制,那么对第一组样例我取所有xi=-100显然满足条件,那样和为-400比样例输出小。
HyperHexagon at 2016-10-29 14:59:24

RE:题目有限制xi必须为正么?
xi>0
UESTC_elfness at 2016-10-29 15:03:05


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