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ナンバー 問題名 レベル タグ 作問者 Solved Fav
2037 NAND Pyramid milkcoffee 88 17
2036 Max Middle milkcoffee 126 26
2035 Tunnel milkcoffee 120 8
2034 Anti Lexicography milkcoffee 210 3
2033 Chromatic Duel Shirotsume 33 0
2032 Let's Write Multiples!! Shirotsume 30 11
2031 Colored Brackets Shirotsume 102 2
2030 Googol Strings Shirotsume 105 3
2029 Swap Min Max Min Shirotsume 70 3
2028 Even Choice Shirotsume 126 9
2027 (1, 2, 3, …, N) 's Subset Sum Shirotsume 174 3
2026 Yet Another Knapsack Problem suisen 16 2
2025 Select $k$-th Submultiset hahho28 28 1
2024 Xer milkcoffee 86 21
2023 Tiling is Fun 箱 118 17
2022 Antilogarithm harurun 163 0
2021 Not A but B milkcoffee 160 2
2020 Sum of Common Prefix Length souta-1326 30 2
2019 Digits Filling for All Substrings Shirotsume 67 1
2018 X-Y-X milkcoffee 51 15
2017 Mod7 Parade souta-1326 84 2
2016 Countdown Divisors milkcoffee 125 11
2015 Stair Counter Shirotsume 140 8
2014 Eggs Hatching Grass 272 2
2013 Can we meet? Kiri8128 19 0
2012 Largest Triangle Kiri8128 35 1
2011 Arbitrary Mod (Hidden) Kiri8128 52 14
2010 Magical Floor Kiri8128 22 1
2009 Drunkers' Contest Kiri8128 38 8
2008 Super Worker Kiri8128 148 11
2007 Arbitrary Mod (Easy) Kiri8128 269 0
2006 Decrease All to Zero to-omer 6 3
2005 Sum of Power Sums to-omer 12 3
2004 Incremental Coins to-omer 13 8
2003 Frog on Grid to-omer 25 2
2002 Range Swap Query to-omer 40 4
2001 Distanced Triple to-omer 44 2
2000 Distanced Characters to-omer 98 3
1999 Lattice Teleportation MasKoaTS 28 2
1998 Manhattan Restaurant MasKoaTS 33 3
1997 X Lighting MasKoaTS 63 0
1996 <>< MasKoaTS 84 3
1995 CHIKA Road MasKoaTS 134 9
1994 Confusing Name MasKoaTS 129 2
1993 Horse Racing MasKoaTS 165 0
1992 Tendon Walk MasKoaTS 236 3
1991 Secret Garden riano 11 2
1990 Candy Boxes milkcoffee 19 5
1989 Pairing Multiset milkcoffee 61 7
1988 Divisor Tiling riano 91 3
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