本题时限应为2s

P2046 [NOI2010] 海拔

**biubiubiu**
by 叫我酵母君 @ 2017-07-20 11:21:20


\_**###biubiubiu**\_
by 叫我酵母君 @ 2017-07-20 11:21:32


spfa加SLF+LLL优化也可过
by 雨季 @ 2018-01-24 15:24:50


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