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#4572: Yeceng
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#4572: yeweiliang
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#4572: YinyuDream
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#4695: 050901
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#4695: 0x3b800001
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#4695: 10hour
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#4695: DrGilbert
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#4695: egypt_ioi2024_10
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$$\text{dp}_i = \min_{j < i} f(j)\times g(i) + h(j) + \text{dp}_j$$
#4695: endl
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#4695: Ex_sky
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#4695: freshsun
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#4695: greedytoohard
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Remaker
#4695: haohuihui
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#4695: Hussein
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#4695: ice_cup
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#4695: IdealizedRomance
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$f_t=\sum\limits_{i=0}^{n-1}{n\choose i}(-1)^{n-1-i}\frac{i^{t-1}(n-i)}{n^t}$
#4695: Ignotus0
Accepted: : 29
#4695: Jay_ning
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qwq
#4695: LuXuRia
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#4695: ucup-team1063
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#4695: ucup-team1430
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#4695: ucup-team1508
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