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ナンバー 問題名 レベル タグ 作問者 Solved Fav
1906 Twinkle Town hitonanode 12 6
1905 PURE PHRASE hitonanode 82 7
1904 Never giving up! hitonanode 132 4
1903 Day1 hitonanode 157 1
1902 AC Ratio ymmtr(せるたわーθ) 73 0
1901 bitwise xor convolution (characteristic 2) noshi91 8 2
1900 Don't be Powers of 2 Shirotsume 40 6
1899 L1 Cafe Shirotsume 44 3
1898 Battle and Exchange Shirotsume 29 2
1897 Sum of 2nd Max Shirotsume 63 3
1896 Arrays and XOR Procedure 2 Shirotsume 58 1
1895 Mod 2 Shirotsume 78 10
1894 Delete AB Shirotsume 99 3
1893 Cycle Shirotsume 154 0
1891 Static Xor Range Composite Query SSRS 13 4
1890 Many Sequences Sum Queries matcharate12 28 1
1889 K Consecutive Ks (Hard) miscalc 16 6
1888 Odd Insertion miscalc 10 3
1887 K Consecutive Ks (Easy) miscalc 46 1
1886 Sum of Slide Max miscalc 77 6
1885 Flat Permutation miscalc 105 9
1884 Sequence miscalc 139 4
1883 SLASH miscalc 208 1
1882 Areas of Triangle matcharate12 48 0
1881 Everything is the same... 37zigen 4 1
1880 Many Ways 37zigen 43 5
1879 How many matchings? 37zigen 49 5
1878 union-find の数え上げ 37zigen 34 6
1877 俺自身が線グラフになることだ 37zigen 59 1
1876 Xor of Sum __turtle0123 30 1
1875 Flip Cards __turtle0123 7 0
1874 Minimum of Sum of Rectangles shiomusubi496 9 2
1873 Bracket Swapping __turtle0123 28 7
1872 Dictionary Order shiomusubi496 58 4
1871 divisXor NaHCO314 85 5
1870 Xor Matrix __turtle0123 95 3
1869 Doubling? cpcznksutbeoa 109 0
1868 Teleporting Cyanmond shiomusubi496 126 2
1867 Partitions and Inversions Cyanmond 11 2
1866 Unfair Tournament Cyanmond 14 1
1865 Make Cycle NaHCO314 85 6
1864 Shortest Paths Counting Chippppp 36 3
1863 Xor Sum 2...? NaHCO314 68 4
1862 Copy and Paste Chippppp 36 2
1861 Required Number sushitoruna 83 3
1860 Magnets MtSaka 142 1
1859 ><<< Shirotsume 27 4
1858 Gorgeous Knapsack Shirotsume 43 2
1857 Gacha Addiction Mitarushi 23 1
1856 Mex Sum 2 蜜蜂 23 1
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