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ナンバー 問題名 レベル タグ 作問者 Solved Fav
2053 12345... PCTprobability 120 1
2052 Indegree PCTprobability 131 1
2051 Divide PCTprobability 140 2
2050 Speed PCTprobability 253 2
2049 POP PCTprobability 239 1
2048 L(I+D)S 箱星 45 2
2047 Path Factory 箱星 54 3
2046 Ans Mod? Mod Ans! 箱星 87 7
2045 Two Reflections 箱星 58 9
2044 Infinite Nim 箱星 126 9
2043 Ohuton and Makura 箱星 147 1
2042 RGB Caps 箱星 126 21
2041 E-mail Address 箱星 289 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 94 19
2036 Max Middle milkcoffee 132 27
2035 Tunnel milkcoffee 126 9
2034 Anti Lexicography milkcoffee 229 3
2033 Chromatic Duel Shirotsume 35 0
2032 Let's Write Multiples!! Shirotsume 33 11
2031 Colored Brackets Shirotsume 108 3
2030 Googol Strings Shirotsume 106 3
2029 Swap Min Max Min Shirotsume 73 4
2028 Even Choice Shirotsume 131 9
2027 (1, 2, 3, …, N) 's Subset Sum Shirotsume 188 4
2026 Yet Another Knapsack Problem suisen 19 2
2025 Select $k$-th Submultiset hahho 32 1
2024 Xer milkcoffee 93 22
2023 Tiling is Fun 箱星 124 19
2022 Antilogarithm harurun 180 0
2021 Not A but B milkcoffee 177 2
2020 Sum of Common Prefix Length souta-1326 32 3
2019 Digits Filling for All Substrings Shirotsume 73 1
2018 X-Y-X milkcoffee 57 17
2017 Mod7 Parade souta-1326 87 2
2016 Countdown Divisors milkcoffee 135 11
2015 Stair Counter Shirotsume 153 8
2014 Eggs Hatching tohohogisu 315 3
2013 Can we meet? Kiri8128 19 0
2012 Largest Triangle Kiri8128 37 1
2011 Arbitrary Mod (Hidden) Kiri8128 59 17
2010 Magical Floor Kiri8128 22 1
2009 Drunkers' Contest Kiri8128 42 8
2008 Super Worker Kiri8128 153 11
2007 Arbitrary Mod (Easy) Kiri8128 304 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
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