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Recent Problems

IDDescription / TitleSolved By
675$2^{\omega(n)}$
140
674Solving $\mathcal{I}$-equations
64
673Beds and Desks
140
672One more one
128
671Colouring a Loop
82
670Colouring a Strip
168
669The King's Banquet
157
668Square root smooth Numbers
377
667Moving Pentagon
100
666Polymorphic Bacteria
153