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Problem 1003
1003点权可以为0或者负数吗?
20112840
| 2015-06-20 19:42:15
Author
rt
admin
| 2015-06-20 19:50:21
# 1
题目里有说明。
poursoul
| 2015-06-20 19:52:23
# 2
题目里的N是指整数集还是指1~100000,这个没说清
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