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Problem 1001
1003
2393611203
| 2015-12-05 19:55:02
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输入案例是0 1 2的输出案例怎么是3 1 2呀,不是应该是3 2 1吗?
admin
| 2015-12-05 19:57:29
# 1
3 2 1的话长度为3的前缀不是有3个逆序对了么
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