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#-13919: icpccamp2025-team12
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#-13919: icpccamp2025-team14
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Tooo young tooo simple, sometimes naiiiive
#-13919: icpccamp2025-team15
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#-13919: IdealizedRomance
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$f_t=\sum\limits_{i=0}^{n-1}{n\choose i}(-1)^{n-1-i}\frac{i^{t-1}(n-i)}{n^t}$
#-13919: ideograph_advantage
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Where your treasure is, there will your heart be also.
#-13919: Ignotus0
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#-13919: IIIIndex
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#-13919: iim76
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