問題一覧

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ナンバー 問題名 レベル タグ 作問者 Solved Fav
1881 Everything is the same... 37zigen 6 1
1880 Many Ways 37zigen 46 4
1879 How many matchings? 37zigen 55 5
1878 union-find の数え上げ 37zigen 43 6
1877 俺自身が線グラフになることだ 37zigen 64 1
1876 Xor of Sum ytqm3 47 5
1875 Flip Cards ytqm3 12 2
1874 Minimum of Sum of Rectangles shiomusubi496 13 2
1873 Bracket Swapping ytqm3 32 7
1872 Dictionary Order shiomusubi496 69 5
1871 divisXor NaHCO314 98 4
1870 Xor Matrix ytqm3 110 6
1869 Doubling? Falcon_ 135 1
1868 Teleporting Cyanmond shiomusubi496 153 5
1867 Partitions and Inversions Cyanmond 15 5
1866 Unfair Tournament Cyanmond 20 2
1865 Make Cycle NaHCO314 103 8
1864 Shortest Paths Counting Chippppp 49 4
1863 Xor Sum 2...? NaHCO314 83 5
1862 Copy and Paste Chippppp 43 3
1861 Required Number sushitoruna 96 9
1860 Magnets MtSaka 188 1
1859 ><<< Shirotsume 44 6
1858 Gorgeous Knapsack Shirotsume 72 8
1857 Gacha Addiction Mitarushi 36 1
1856 Mex Sum 2 蜜蜂 35 1
1855 Intersected Lines 蜜蜂 18 3
1854 Limited Bubble Sort 蜜蜂 21 0
1853 Many Operations 蜜蜂 11 0
1852 Divide or Reduce 蜜蜂 52 5
1851 Regular Tiling 蜜蜂 68 5
1850 Rewrite Product 蜜蜂 166 4
1849 Three Times Value matcharate12 103 2
1848 Long Prefixes potato167 30 2
1847 Good Sequence potato167 43 0
1846 Good Binary Matrix potato167 85 9
1845 Long Substrings potato167 86 3
1844 Divisors Sum Sum potato167 132 3
1843 Tree ANDistance potato167 148 6
1842 Decimal Point potato167 120 14
1841 Long Long potato167 346 0
1840 Random Painting Sumitacchan 18 9
1839 Concatenation Matrix Sumitacchan 25 1
1838 Modulo Straight Sumitacchan 33 5
1837 Same but Different Sumitacchan 59 5
1836 Max Matrix Sumitacchan 92 16
1835 Generalized Monty Hall Problem Sumitacchan 136 3
1834 1D Gravity riano 12 4
1833 Subway Planning riano 44 2
1832 NAND Reversible riano 58 9
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