题目

题目列表

题号 标题 难度 题目来源 正确数 提交数
1800 Easier Done Than Said? D2 52 174
1801 Skew Binary D2 22 28
1802 When Can We Meet? D2 8 19
1803 Common Subsequence D2 6 23
1804 Clay Bully D2 10 14
1805 A Simple Question of Chemistry D2 29 31
1806 Euchre Results D2 14 25
1807 Immediate Decodability D2 12 17
1808 Biker's Trip Odometer D2 8 11
1809 Steps D2 9 13
1810 Jolly Jumpers D2 24 97
1811 Beavergnaw D2 15 17
1812 Relatives D2 13 20
1813 Square D2 8 10
1814 Above Average D2 36 63
1815 Goldbach's Conjecture II D2 16 41
1816 Adding Reversed Numbers D2 28 34
1817 Piggy-Bank D2 12 34
1818 Factorial D2 9 19
1819 The Twin Towers D2 7 11
1820 Fibonacci Again D2 34 86
1822 Recursive Survival D2 9 28
1823 Mean of Subsequence D2 29 95
1824 Divisor Summation D2 18 51
1825 Frame Polygonal Line D2 10 14
1826 Number Sequence II D2 64 250
1827 FatMouse' Trade D2 36 83
1828 Symmetric Order D2 33 61
1829 No Brainer D2 51 64
1830 To and Fro D2 4 6
1831 The Gate to Freedom D2 10 48
1832 Inversion Number D2 2 7
1833 Filling Out the Team D2 31 90
1834 Gold Coins D2 38 181
1835 Ants D2 12 20
1836 Beat the Spread! D2 22 68
1837 Specialized Four-Digit Numbers D2 51 84
1838 Lowest Bit D2 58 93
1839 Calendar D2 68 227

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