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Problems

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  ID Title Submit Solved
  2800 三角形 769 207
  2801 正方形 566 198
  2802 距离 709 159
  2803 加油站 704 330
  2804 Longest Ordered Subsequence (II) 1704 456
  2805 Balancing the Scale 44 25
  2806 LED Display 215 95
  2807 Gap Punishment Aligment Problem 60 23
  2808 Thermal Death of the Universe 172 46
  2809 The Happy Worm 175 59
  2810 Emergency Mission 16 4
  2811 Overstaffed Company 48 22
  2812 Incredible Cows 216 23
  2813 Bridge 459 144
  2814 How Many Pairs? 47 22
  2815 奶牛浴场 89 16
  2816 牛场围栏 47 14
  2817 皇宫看守 239 54
  2818 QQ音速 1141 334
  2819 Ader 133 50
  2820 Semiconnected graph 192 55
  2821 Auto-Calculation Machine 49 18
  2822 Buy Tickets 195 92
  2823 Common permutation 737 256
  2824 Kickdown 109 48
  2825 String grid 46 14
  2826 Apocalypse Someday 39 27
  2827 Find Differences 1486 546
  2828 剪刀石头布 101 29
  2829 binary strings 182 35
  2830 Density MapII 22 4
  2831 Flipping pancakes 18 5
  2832 Mars city 278 123
  2833 Euler's totient function 191 64
  2834 Communication Network 19 6
  2835 Pick Up Points 281 118
  2836 Pick Up Points II 97 30
  2837 Common Area 18 7
  2838 Command-line Parser 0 0
  2839 图形判断 12 4
  2840 阿甘的问题 94 40
  2841 The Primes 31 5
  2842 The TSP problem 339 117
  2843 Self Numbers 544 377
  2844 ACM team up 181 62
  2845 Jange 74 23
  2846 Difference between Triplets 54 19
  2847 和Pluto邻近的Vitamin部落 648 200
  2848 River Hopscotch 110 38
  2849 Cow Roller Coaster 41 19
  2850 Protecting the Flowers 65 33
  2851 Pairs of Integers 10 6
  2852 Corn Fields 38 24
  2853 Change binary string 28 15
  2854 Diophantus of Alexandria 85 41
  2855 Change binary string (II) 65 14
  2856 Divisibility by 15 73 28
  2857 Simple calculations 393 221
  2858 Happy 2006 309 66
  2859 Cake Pieces and Plates 48 26
  2860 Camelot 10 4
  2861 find the most number 1784 611
  2862 find the most number (II) 1326 293
  2863 Problem Solving 17 9
  2864 Cow School 9 3
  2865 Unique Solution 23 8
  2866 super division 658 227
  2867 The minimum icecream 28 16
  2868 find the smallest number 297 140
  2869 Mother's Milk 16 10
  2870 City Horizon 117 42
  2871 Face the Right Way 62 16
  2872 Heap 35 14
  2873 A strange procedure 262 98
  2874 F and J 93 24
  2875 Open Source 100 43
  2876 Antimonotonicity 344 167
  2877 Humidex 149 67
  2878 Tour de France 126 84
  2879 Texas Trip 73 36
  2880 Semi-prime H-numbers 398 180
  2881 Rectilinear polygon 68 27
  2882 Life Forms 82 29
  2883 Tautology 105 48
  2884 Rinse 51 15
  2885 Sequence 42 18
  2886 Cow Walk 57 32
  2887 Simple Problem Again 47 26
  2888 A Cube on the Walk 8 5
  2889 Ferry Loading IV 115 72
  2890 Card Hands 29 13
  2891 Eventually periodic sequence 14 9
  2892 Point of view in Flatland 4 4
  2893 How many 0's? 70 41
  2894 Mall Mania 20 16
  2895 Cousins 7 6
  2896 Alphacode 721 232
  2897 Anti-prime Sequences 66 29
  2898 To and Fro 377 298