ID Problem Show tags Hide tags AC / Tried Difficulty
2446 P2816  宋荣子搭积木 0 / 0 4
2447 P2817  宋荣子的城堡 0 / 0 3
1884 P2818  天使的起誓 0 / 0 2
1886 P2819  图的 m 着色问题 0 / 0 2
1887 P2820  局域网 0 / 0 3
1888 P2821  变幻数 0 / 0 5
1891 P2822  [NOIP2016 提高组] 组合数问题 1 / 2 3
1871 P2823  时间表 0 / 0 6
1894 P2824  [HEOI2016/TJOI2016] 排序 0 / 0 6
1895 P2825  [HEOI2016/TJOI2016] 游戏 0 / 0 6
1898 P2827  [NOIP2016 提高组] 蚯蚓 0 / 1 5
1872 P2829  大逃离 0 / 0 6
1873 P2830  写程序 0 / 0 4
1883 P2831  [NOIP2016 提高组] 愤怒的小鸟 0 / 0 5
1900 P2832  行路难【疑似 std 复杂度有误】 0 / 0 5
1905 P2833  等式 0 / 0 4
8400 P2834  纸币问题 3 1 / 2 2
1899 P2835  刻录光盘 0 / 0 4
1892 P2836  加油问题 0 / 0 5
1889 P2837  [USACO08FEB] Dining Cows B 0 / 0 2
1896 P2838  瓶子国的故事 0 / 0 7
1897 P2839  [国家集训队] middle 0 / 0 6
8399 P2840  纸币问题 2 2 / 3 2
1903 P2841  A*B Problem 0 / 0 5
8398 P2842  纸币问题 1 7 / 21 2
1902 P2843  暗杀 0 / 0 5
1806 P2845  [USACO15DEC] Switching on the Lights S 0 / 0 4
1893 P2846  [USACO08NOV] Light Switching G 0 / 0 4
1904 P2847  [USACO16DEC] Moocast G 0 / 0 4
1906 P2848  [USACO16DEC] Cow Checklist G 0 / 0 5
1901 P2849  [USACO14DEC] Marathon S 0 / 0 3
1907 P2850  [USACO06DEC] Wormholes G 1 / 1 4
1908 P2851  [USACO06DEC] The Fewest Coins G 0 / 0 5
1909 P2852  [USACO06DEC] Milk Patterns G 0 / 0 4
1910 P2853  [USACO06DEC] Cow Picnic S 0 / 0 3
1911 P2854  [USACO06DEC] Cow Roller Coaster S 0 / 0 4
1912 P2855  [USACO06DEC] River Hopscotch S 5 / 27 3
1913 P2856  [USACO06FEB] Cellphones G 0 / 0 4
1914 P2857  [USACO06FEB] Steady Cow Assignment G 0 / 0 6
1915 P2858  [USACO06FEB] Treats for the Cows G/S 2 / 2 3
1916 P2859  [USACO06FEB] Stall Reservations S 1 / 1 5
1917 P2860  [USACO06JAN] Redundant Paths G 2 / 9 5
1918 P2861  [USACO06JAN] Roping the Field G 0 / 0 5
1919 P2862  [USACO06JAN] Corral the Cows G 0 / 0 5
1920 P2863  [USACO06JAN] The Cow Prom S 10 / 14 4
1921 P2864  [USACO06JAN] The Grove S 0 / 0 5
1922 P2865  [USACO06NOV] Roadblocks G 1 / 1 5
1923 P2866  [USACO06NOV] Bad Hair Day S 11 / 37 3
1924 P2867  [USACO06NOV] Big Square S 0 / 0 4
1925 P2868  [USACO07DEC] Sightseeing Cows G 0 / 0 6
1926 P2869  [USACO07DEC] Gourmet Grazers G 0 / 0 5
1927 P2870  [USACO07DEC] Best Cow Line G 0 / 0 5
1928 P2871  [USACO07DEC] Charm Bracelet S 13 / 100 2
1929 P2872  [USACO07DEC] Building Roads S 0 / 0 3
1930 P2873  [USACO07DEC] Mud Puddles S 0 / 0 2
1931 P2874  [USACO07FEB] Building A New Barn G 0 / 0 5
1932 P2875  [USACO07FEB] The Cow Lexicon S 0 / 0 5
1933 P2876  [USACO07JAN] Problem Solving G 0 / 0 5
1934 P2877  [USACO07JAN] Cow School G 0 / 0 6
1935 P2878  [USACO07JAN] Protecting the Flowers S 0 / 0 3
1936 P2879  [USACO07JAN] Tallest Cow S 0 / 0 4
1937 P2880  [USACO07JAN] Balanced Lineup G 3 / 3 3
1938 P2881  [USACO07MAR] Ranking the Cows G 0 / 0 4
1939 P2882  [USACO07MAR] Face The Right Way G 1 / 1 5
1940 P2883  [USACO07MAR] Cow Traffic S 0 / 0 5
1941 P2884  [USACO07MAR] Monthly Expense S 0 / 0 3
1942 P2885  [USACO07NOV] Telephone Wire G 0 / 0 5
1943 P2886  [USACO07NOV] Cow Relays G 0 / 0 5
1944 P2887  [USACO07NOV] Sunscreen G 0 / 0 3
1945 P2888  [USACO07NOV] Cow Hurdles S 0 / 0 3
1946 P2889  [USACO07NOV] Milking Time S 0 / 0 3
1947 P2890  [USACO07OPEN] Cheapest Palindrome G 1 / 1 5
1948 P2891  [USACO07OPEN] Dining G 0 / 0 6
3013 P2892  [NOI2007] 追捕盗贼 0 / 0 7
1950 P2893  [USACO08FEB] Making the Grade G 0 / 0 5
1951 P2894  [USACO08FEB] Hotel G 1 / 1 5
1952 P2895  [USACO08FEB] Meteor Shower S 2 / 2 3
1953 P2896  [USACO08FEB] Eating Together S 0 / 0 3
1954 P2897  [USACO08JAN] Artificial Lake G 0 / 0 5
1955 P2898  [USACO08JAN] Haybale Guessing G 0 / 0 5
1956 P2899  [USACO08JAN] Cell Phone Network G 0 / 0 3
1957 P2900  [USACO08MAR] Land Acquisition G 0 / 0 6
1958 P2901  [USACO08MAR] Cow Jogging G 0 / 0 5
1959 P2902  [USACO08MAR] Pearl Pairing G 0 / 0 3
1960 P2903  [USACO08MAR] The Loathesome Hay Baler S 0 / 0 3
1961 P2904  [USACO08MAR] River Crossing S 0 / 0 3
1962 P2905  [USACO08OPEN] Crisis on the Farm G 0 / 0 5
1963 P2906  [USACO08OPEN] Cow Neighborhoods G 0 / 0 6
1964 P2907  [USACO08OPEN] Roads Around The Farm S 1 / 1 1
1965 P2908  [USACO08OPEN] Word Power S 0 / 0 2
1966 P2909  [USACO08OPEN] Cow Cars S 0 / 0 2
1967 P2910  [USACO08OPEN] Clear And Present Danger S 0 / 0 3
1968 P2911  [USACO08OCT] Bovine Bones G 1 / 2 1
1969 P2912  [USACO08OCT] Pasture Walking G 0 / 0 3
1970 P2913  [USACO08OCT] Wheel Rotation G 0 / 0 2
1971 P2914  [USACO08OCT] Power Failure G 0 / 0 4
1972 P2915  [USACO08NOV] Mixed Up Cows G 0 / 0 5
1973 P2916  [USACO08NOV] Cheering up the Cow G 0 / 0 3
1974 P2917  [USACO08NOV] Toys G 0 / 0 6
1975 P2918  [USACO08NOV] Buying Hay S 2 / 2 3

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