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ナンバー 問題名 レベル タグ 作問者 Solved Fav
1891 Static Xor Range Composite Query SSRS 21 5
1890 Many Sequences Sum Queries matcharate12 55 1
1889 K Consecutive Ks (Hard) miscalc 21 6
1888 Odd Insertion miscalc 11 3
1887 K Consecutive Ks (Easy) miscalc 49 1
1886 Sum of Slide Max miscalc 89 6
1885 Flat Permutation miscalc 122 11
1884 Sequence miscalc 163 5
1883 SLASH miscalc 323 1
1882 Areas of Triangle matcharate12 89 0
1881 Everything is the same... 37zigen 6 1
1880 Many Ways 37zigen 46 4
1879 How many matchings? 37zigen 52 5
1878 union-find の数え上げ 37zigen 40 6
1877 俺自身が線グラフになることだ 37zigen 62 1
1876 Xor of Sum ytqm3 43 4
1875 Flip Cards ytqm3 11 1
1874 Minimum of Sum of Rectangles shiomusubi496 10 2
1873 Bracket Swapping ytqm3 31 7
1872 Dictionary Order shiomusubi496 66 5
1871 divisXor NaHCO314 96 4
1870 Xor Matrix ytqm3 106 5
1869 Doubling? cpcznksutbeoa 127 0
1868 Teleporting Cyanmond shiomusubi496 153 4
1867 Partitions and Inversions Cyanmond 15 5
1866 Unfair Tournament Cyanmond 19 2
1865 Make Cycle NaHCO314 96 8
1864 Shortest Paths Counting Chippppp 47 4
1863 Xor Sum 2...? NaHCO314 79 5
1862 Copy and Paste Chippppp 43 3
1861 Required Number sushitoruna 92 9
1860 Magnets MtSaka 183 1
1859 ><<< Shirotsume 40 5
1858 Gorgeous Knapsack Shirotsume 59 5
1857 Gacha Addiction Mitarushi 31 1
1856 Mex Sum 2 蜜蜂 33 1
1855 Intersected Lines 蜜蜂 17 2
1854 Limited Bubble Sort 蜜蜂 21 0
1853 Many Operations 蜜蜂 11 0
1852 Divide or Reduce 蜜蜂 53 5
1851 Regular Tiling 蜜蜂 68 5
1850 Rewrite Product 蜜蜂 164 3
1849 Three Times Value matcharate12 97 2
1848 Long Prefixes potato167 30 2
1847 Good Sequence potato167 42 0
1846 Good Binary Matrix potato167 80 7
1845 Long Substrings potato167 80 4
1844 Divisors Sum Sum potato167 127 2
1843 Tree ANDistance potato167 139 5
1842 Decimal Point potato167 112 14
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