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> babushkaguy · 906 of 906 solved problems · arena profile

• 15001817A · Almost Increasing SubsequenceMay 2026
• 15001264A · Beautiful Regional ContestMay 2026
• 15002183D1 · Tree Coloring (Easy Version)May 2026
• 15001419D2 · Sage's Birthday (hard version)May 2026
• 15001419C · KilljoyMay 2026
• 1500991D · BishwockMay 2026
• 14001833D · FlipperMay 2026
• 14001285C · Fadi and LCMMay 2026
• 14001838C · No Prime DifferencesMay 2026
• 14001860C · Game on PermutationMay 2026
• 14001901C · Add, Divide and FloorMay 2026
• 14001914E2 · Game with Marbles (Hard Version)May 2026
• 1400911C · Three GarlandsMay 2026
• 15001792C · Min Max SortMay 2026
• 15001710A · Color the PictureMay 2026
• 15002163C · MonopatiMay 2026
• 14002098B · Sasha and the Apartment PurchaseMay 2026
• 17001792D · Fixed Prefix PermutationsMay 2026
• 17001365D · Solve The MazeMay 2026
• 16001528A · Parsa's Humongous TreeMay 2026
• 1600992C · Nastya and a WardrobeMay 2026
• 1600992B · Nastya Studies InformaticsMay 2026
• 1400437C · The Child and ToyMay 2026
• 800136A · PresentsMay 2026
• 14002227E · It All Went SidewaysApr 2026
• 12002227D · PalindromexApr 2026
• 8002227C · SnowfallApr 2026
• 8002227B · Party MonsterApr 2026
• 8002227A · KosharyApr 2026
• ?105319J · F Less Than GApr 2026
• ?105319C · LeafiliansApr 2026
• ?105319K · CP and GITApr 2026
• ?105319I · The Math GuyApr 2026
• ?105319H · Divide And MultiplyApr 2026
• ?105319B · Broken StringApr 2026
• ?105319F · We Want a LessonApr 2026
• 16001148B · Born This WayApr 2026
• ?106016L · Good SetsApr 2026
• ?106016I · W/S TREEApr 2026
• ?106016F · SplitApr 2026
• ?106016D · Least Uncommon DivisorApr 2026
• ?106016C · USD vs LirasApr 2026
• ?106016H · Median GcdApr 2026
• ?106016K · Cookies Apr 2026
• ?106016A · The Beauty Of Homs Apr 2026
• 17001743D · Problem with Random TestsApr 2026
• 17002044G1 · Medium Demon Problem (easy version)Apr 2026
• 17001916D · Mathematical ProblemApr 2026
• 12002220B · OIE ExcursionApr 2026
• 16001537E1 · Erase and Extend (Easy Version)Apr 2026