| #3000 | Big Number | |
| #3001 | 神秘的水井 | |
| #3002 | 修建道路 | |
| #3003 | LED | |
| #3004 | 吊灯 | |
| #3005 | 体育课 | |
| #3006 | 基站建设 | |
| #3007 | 拯救小云公主 | |
| #3008 | 象棋 | |
| #3009 | 集合 | |
| #3010 | [Usaco2012 Dec]Gangs of Istanbull | |
| #3011 | [Usaco2012 Dec]Running Away From the Barn | |
| #3012 | [Usaco2012 Dec]First! | |
| #3013 | [Usaco2012 Nov]Balanced Cow Breeds | |
| #3014 | [Usaco2012 Nov]Balanced Trees | |
| #3015 | [Usaco2012 Nov]Concurrently Balanced Strings | |
| #3016 | [Usaco2012 Nov]Clumsy Cows | |
| #3017 | [Usaco2012 Nov]Cow Breeds | |
| #3018 | [Usaco2012 Nov]Distant Pastures | |
| #3019 | [Balkan2012]handsome | |
| #3020 | [Balkan2012]Shortest paths | |
| #3021 | [Balkan2012]Spiral | |
| #3022 | [Balkan2012]The Best Teams | |
| #3023 | [Balkan2012]Fan Groups | |
| #3024 | [Balkan2012]balls | |
| #3025 | [Balkan2003]Farey数列 | |
| #3026 | 楼梯染色 | |
| #3027 | [Ceoi2004]Sweet | |
| #3028 | 食物 | |
| #3029 | 守卫者的挑战 | |
| #3030 | 终极武器 | |
| #3031 | 理科男 | |
| #3032 | 七夕祭 | |
| #3033 | 太鼓达人 | |
| #3034 | Heaven Cow与God Bull | |
| #3035 | 导弹防御塔 | |
| #3036 | 绿豆蛙的归宿 | |
| #3037 | 创世纪 | |
| #3038 | 上帝造题的七分钟2 | |
| #3039 | 玉蟾宫 | |
| #3040 | 最短路(road) | |
| #3041 | 水叮当的舞步 | |
| #3042 | Acting Cute | |
| #3043 | IncDec Sequence | |
| #3044 | 足球比赛 | |
| #3045 | 电话线路 | |
| #3046 | lagoon | |
| #3047 | Freda的传呼机 | |
| #3048 | [Usaco2013 Jan]Cow Lineup | |
| #3049 | [Usaco2013 Jan]Island Travels | |
| #3050 | [Usaco2013 Jan]Seating | |
| #3051 | [wc2013]平面图 | |
| #3052 | [wc2013]糖果公园 | |
| #3053 | The Closest M Points | |
| #3054 | Rainbow的信号 | |
| #3055 | 礼物运送 | |
| #3056 | 升降梯口 | |
| #3057 | 圣主的考验 | |
| #3058 | 四叶草魔杖 | |
| #3059 | 归途与征程 | |
| #3060 | [Poi2012]Tour de Byteotia | |
| #3061 | [Usaco2013 Feb]Partitioning the Farm | |
| #3062 | [Usaco2013 Feb]Taxi | |
| #3063 | [Usaco2013]Route Designing | |
| #3064 | Tyvj 1518 CPU监控 | |
| #3065 | 带插入区间K小值 | |
| #3066 | Great Deceiver | |
| #3067 | Hyperdrome | |
| #3068 | 小白树 | |
| #3069 | [Pa2011]Hard Choice 艰难的选择 | |
| #3070 | [Pa2011]Prime prime power 质数的质数次方 | |
| #3071 | N皇后 | |
| #3072 | [Pa2012]Two Cakes | |
| #3073 | [Pa2011]Journeys | |
| #3074 | [Usaco2013 Mar]The Cow Run | |
| #3075 | [Usaco2013]Necklace | |
| #3076 | [Usaco2013]Hill Walk | |
| #3077 | Graph | |
| #3078 | [Cerc2011]Racing Car Trial | |
| #3079 | 方案计数 | |
| #3080 | Minimum Variance Spanning Tree | |
| #3081 | [Cerc2011]Strange Regulations | |
| #3082 | Graph2 | |
| #3083 | 遥远的国度 | |
| #3084 | [Algorithmic Engagements 2011]The Shortest Period | |
| #3085 | 反质数加强版SAPGAP | |
| #3086 | Coci2009 dvapravca | |
| #3087 | Coci2009 misolovke | |
| #3088 | Coci 2000 Kolo | |
| #3089 | Coci2009 ograda | |
| #3090 | Coci2009 [podjela] | |
| #3091 | 城市旅行 | |
| #3092 | [FDU2012校赛] A Famous King’s Trip | |
| #3093 | [Fdu校赛2012] A Famous Game | |
| #3094 | [Acm BeiJing2012]Peach Blossom Spring | |
| #3095 | 二元组 | |
| #3096 | 跳棋 | |
| #3097 | Hash Killer I | |
| #3098 | Hash Killer II | |
| #3099 | Hash Killer III | |
黑暗爆炸OJ
