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ナンバー 問題名 レベル タグ 作問者 Solved Fav
2041 E-mail Address 箱星 290 0
2040 010-1 Deletion milkcoffee 36 5
2039 Copy and Avoid milkcoffee 75 7
2038 Strange Arrange milkcoffee 90 10
2037 NAND Pyramid milkcoffee 95 20
2036 Max Middle milkcoffee 134 28
2035 Tunnel milkcoffee 126 9
2034 Anti Lexicography milkcoffee 231 3
2033 Chromatic Duel Shirotsume 35 0
2032 Let's Write Multiples!! Shirotsume 33 11
2031 Colored Brackets Shirotsume 110 4
2030 Googol Strings Shirotsume 106 4
2029 Swap Min Max Min Shirotsume 73 4
2028 Even Choice Shirotsume 131 9
2027 (1, 2, 3, …, N) 's Subset Sum Shirotsume 190 4
2026 Yet Another Knapsack Problem suisen 19 2
2025 Select $k$-th Submultiset hahho 32 1
2024 Xer milkcoffee 94 23
2023 Tiling is Fun 箱星 127 19
2022 Antilogarithm harurun 183 0
2021 Not A but B milkcoffee 178 3
2020 Sum of Common Prefix Length souta-1326 32 3
2019 Digits Filling for All Substrings Shirotsume 75 1
2018 X-Y-X milkcoffee 61 17
2017 Mod7 Parade souta-1326 88 3
2016 Countdown Divisors milkcoffee 137 12
2015 Stair Counter Shirotsume 154 8
2014 Eggs Hatching tohohogisu 317 3
2013 Can we meet? Kiri8128 19 0
2012 Largest Triangle Kiri8128 37 1
2011 Arbitrary Mod (Hidden) Kiri8128 60 18
2010 Magical Floor Kiri8128 22 1
2009 Drunkers' Contest Kiri8128 42 8
2008 Super Worker Kiri8128 154 12
2007 Arbitrary Mod (Easy) Kiri8128 305 0
2006 Decrease All to Zero to-omer 6 3
2005 Sum of Power Sums to-omer 16 3
2004 Incremental Coins to-omer 13 8
2003 Frog on Grid to-omer 25 2
2002 Range Swap Query to-omer 49 4
2001 Distanced Triple to-omer 48 3
2000 Distanced Characters to-omer 106 3
1999 Lattice Teleportation MasKoaTS 29 2
1998 Manhattan Restaurant MasKoaTS 34 3
1997 X Lighting MasKoaTS 67 1
1996 <>< MasKoaTS 92 4
1995 CHIKA Road MasKoaTS 147 9
1994 Confusing Name MasKoaTS 136 2
1993 Horse Racing MasKoaTS 179 1
1992 Tendon Walk MasKoaTS 267 3
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