ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1999 P2945   [USACO09MAR] Sand Castle S 0 / 0 2
2000 P2946   [USACO09MAR] Cow Frisbee Team S 0 / 0 3
2001 P2947   [USACO09MAR] Look Up S 0 / 0 3
2002 P2948   [USACO09OPEN] Ski Lessons G 0 / 0 5
2003 P2949   [USACO09OPEN] Work Scheduling G 0 / 0 4
2004 P2950   [USACO09OPEN] Bovine Embroidery G 0 / 0 5
2005 P2951   [USACO09OPEN] Hide and Seek S 0 / 0 3
2006 P2952   [USACO09OPEN] Cow Line S 0 / 0 2
2007 P2953   [USACO09OPEN] Cow Digit Game S 0 / 0 4
2008 P2954   [USACO09OPEN] Grazing2 S 0 / 0 4
2009 P2955   [USACO09OCT] Even? Odd? G 0 / 0 1
2010 P2956   [USACO09OCT] The Robot Plow G 0 / 0 1
2011 P2957   [USACO09OCT] Barn Echoes G 0 / 0 2
2012 P2958   [USACO09OCT] Papaya Jungle G 0 / 0 2
2013 P2959   [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2014 P2960   [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2015 P2961   [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2016 P2962   [USACO09NOV] Lights G 0 / 0 5
2017 P2963   [USACO09NOV] Cow Rescue G 0 / 0 6
2018 P2964   [USACO09NOV] A Coin Game S 0 / 0 5
2019 P2965   [USACO09NOV] The Grand Farm-off S 0 / 0 2
2020 P2966   [USACO09DEC] Cow Toll Paths G 0 / 0 5
2021 P2967   [USACO09DEC] Video Game Troubles G 0 / 0 5
2022 P2968   [USACO09DEC] Bobsledding S 0 / 0 4
2023 P2969   [USACO09DEC] Music Notes S 0 / 0 2
2024 P2970   [USACO09DEC] Selfish Grazing S 0 / 0 3
2025 P2971   [USACO10HOL] Cow Politics G 0 / 0 6
2026 P2973   [USACO10HOL] Driving Out the Piggies G 0 / 0 6
2027 P2974   [USACO10HOL] Cow War G 0 / 0 (无)
2028 P2975   [USACO10JAN] Taking Turns G 0 / 0 5
2029 P2976   [USACO10JAN] Shipping Around an Island G 0 / 0 6
2030 P2977   [USACO10JAN] Cow Telephones G 0 / 0 5
2031 P2978   [USACO10JAN] Tea Time S 0 / 0 2
2032 P2979   [USACO10JAN] Cheese Towers S 0 / 0 4
2033 P2980   [USACO10FEB] Covering the Corral G 0 / 0 5
2034 P2981   [USACO10FEB] Cows on Ice G 0 / 0 5
2035 P2982   [USACO10FEB] Slowing down G 0 / 0 5
2036 P2983   [USACO10FEB] Chocolate Buying S 0 / 0 3
2037 P2984   [USACO10FEB] Chocolate Giving S 0 / 0 3
2038 P2985   [USACO10FEB] Chocolate Eating S 0 / 0 3
2039 P2986   [USACO10MAR] Great Cow Gathering G 0 / 0 4
2040 P2987   [USACO10MAR] StarCowraft G 0 / 0 6
2041 P2988   [USACO10MAR] Test Taking S 0 / 0 5
2042 P2989   [USACO10MAR] Need For Speed S 0 / 0 5
2043 P2990   [USACO10OPEN] Cow Hopscotch G 0 / 0 5
2044 P2991   [USACO10OPEN] Water Slides G 0 / 0 5
2045 P2992   [USACO10OPEN] Triangle Counting G 0 / 0 6
3256 P2993   [FJOI2014] 最短路径树问题 0 / 0 6
2046 P2994   [USACO10OCT] Dinner Time S 0 / 0 4
2047 P2995   [USACO10NOV] Cow Photographs G 0 / 0 5
2048 P2996   [USACO10NOV] Visiting Cows G 0 / 0 3
2049 P2997   [USACO10NOV] Banner S 0 / 0 3
2050 P2998   [USACO10NOV] Candy S 0 / 0 4
2051 P2999   [USACO10NOV] Chocolate Milk S 0 / 0 5
2052 P3000   [USACO10DEC] Cow Calisthenics G 0 / 0 5
2053 P3001   [USACO10DEC] Big Macs Around the World G 0 / 0 5
2054 P3002   [USACO10DEC] Threatening Letter G 0 / 0 6
2055 P3003   [USACO10DEC] Apple Delivery S 0 / 0 3
2056 P3004   [USACO10DEC] Treasure Chest S 0 / 0 4
2057 P3005   [USACO10DEC] The Trough Game S 0 / 0 5
2058 P3006   [USACO11JAN] Bottleneck G 0 / 0 6
2059 P3007   [USACO11JAN] The Continental Cowngress G 0 / 0 6
2060 P3008   [USACO11JAN] Roads and Planes G 0 / 0 5
2061 P3009   [USACO11JAN] Profits S 0 / 0 2
2062 P3010   [USACO11JAN] Dividing the Gold S 0 / 0 4
2063 P3011   [USACO11JAN] Traffic Lights S 0 / 0 6
2064 P3012   [USACO11FEB] Cowlphabet G 0 / 0 4
2065 P3013   [USACO11FEB] The Lost Cows G 0 / 0 (无)
2066 P3014   [USACO11FEB] Cow Line S 0 / 0 4
2067 P3015   [USACO11FEB] Best Parenthesis S 0 / 0 3
2068 P3016   [USACO11FEB] The Triangle S 0 / 0 3
2069 P3017   [USACO11MAR] Brownie Slicing G 0 / 0 5
2070 P3018   [USACO11MAR] Tree Decoration G 0 / 0 4
2071 P3019   [USACO11MAR] Meeting Place S 0 / 0 3
2072 P3020   [USACO11MAR] Package Delivery S 0 / 0 4
2073 P3021   [USACO11MAR] Bovine Bridge Battle S 0 / 0 3
2074 P3022   [USACO11OPEN] Odd degrees G 0 / 0 5
2075 P3023   [USACO11OPEN] Soldering G 0 / 0 6
2076 P3024   [USACO11OPEN] Cow Checkers S 0 / 0 5
2077 P3025   [USACO11OPEN] Forgotten Password S 0 / 0 5
2078 P3026   [USACO11OPEN] Learning Languages S 0 / 0 5
2079 P3027   [USACO10OCT] Making Money G 0 / 0 3
2080 P3028   [USACO10OCT] Soda Machine G 0 / 0 4
2081 P3029   [USACO11NOV] Cow Lineup S 0 / 0 3
2082 P3030   [USACO11NOV] Tile Exchanging S 0 / 0 3
2083 P3031   [USACO11NOV] Above the Median G 0 / 0 5
2084 P3032   [USACO11NOV] Binary Sudoku G 0 / 0 5
2085 P3033   [USACO11NOV] Cow Steeplechase G 0 / 0 5
2086 P3034   [USACO11DEC] Cow Photography G/S 0 / 0 5
2087 P3035   [USACO11DEC] Umbrellas for Cows S 0 / 0 5
2088 P3036   [USACO16DEC] Lasers and Mirrors G 0 / 0 5
2089 P3037   [USACO11DEC] Simplifying the Farm G 0 / 0 6
2090 P3038   [USACO11DEC] Grass Planting G 0 / 0 5
2091 P3039   [USACO12JAN] Delivery Route S 0 / 0 6
2092 P3040   [USACO12JAN] Bale Share S 0 / 0 3
2093 P3041   [USACO12JAN] Video Game G 0 / 0 6
2094 P3042   [USACO12JAN] Cow Run G 0 / 0 6
2095 P3043   [USACO12JAN] Bovine Alliance G 0 / 0 5
2096 P3044   [USACO12FEB] Relocation S 0 / 0 5
2097 P3045   [USACO12FEB] Cow Coupons G 0 / 0 5

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