ID Problem Show tags Hide tags AC / Tried Difficulty
67 J0056   【深基4.习3】[NOIP2011 普及组] 数字反转 3 / 8 10
106 J0091   【深基6.例7】[NOIP2011 普及组] 统计单词数 0 / 0 (None)
5125 P1003   [NOIP 2011 提高组] 铺地毯 2 / 2 3
5414 P1295   [TJOI2011] 书架 0 / 0 7
5426 P1307   [NOIP 2011 普及组] 数字反转 3 / 18 1
5427 P1308   [NOIP 2011 普及组] 统计单词数 0 / 0 3
5428 P1309   [NOIP 2011 普及组] 瑞士轮 0 / 0 5
5429 P1310   [NOIP 2011 普及组] 表达式的值 0 / 0 6
5430 P1311   [NOIP 2011 提高组] 选择客栈 0 / 0 5
5431 P1312   [NOIP 2011 提高组] Mayan 游戏 1 / 1 7
5432 P1313   [NOIP 2011 提高组] 计算系数 0 / 0 5
5433 P1314   [NOIP 2011 提高组] 聪明的质监员 5 / 11 6
5434 P1315   [NOIP 2011 提高组] 观光公交 0 / 0 7
5494 P1377   [TJOI2011] 树的序 0 / 0 7
5532 P1418   [TJOI2011] 构造矩阵 0 / 0 7
5651 P1539   [TJOI2011] 01矩阵 0 / 0 7
5826 P1732   [TJOI2011] 序列 0 / 0 3
5912 P1825   [USACO11OPEN] Corn Maze S 8 / 102 5
5959 P1873   [COCI 2011/2012 #5] EKO / 砍树 97 / 315 3
6052 P1971   [NOI2011] 兔兔与蛋蛋游戏 0 / 0 9
6054 P1973   [NOI2011] NOI 嘉年华 0 / 0 8
6075 P1995   [NOI2011] 智能车比赛 0 / 0 8
6100 P2020   [NOI2011] 兔农 0 / 0 9
6132 P2052   [NOI2011] 道路修建 0 / 0 5
6145 P2065   [TJOI2011] 卡片 0 / 0 7
6248 P2176   [USACO11DEC] RoadBlock S / [USACO14FEB] Roadblock G/S 0 / 0 6
10169 P2291   [PA 2011] Prime prime power 质数的质数次方 0 / 0 7
6456 P2344   [USACO11FEB] Generic Cow Protests G 0 / 0 7
6554 P2414   [NOI2011] 阿狸的打字机 0 / 0 8
6637 P2484   [SDOI2011] 打地鼠 0 / 0 7
6638 P2485   [SDOI2011] 计算器 0 / 0 7
6639 P2486   [SDOI2011] 染色 11 / 44 8
6640 P2487   [SDOI2011] 拦截导弹 0 / 0 8
6641 P2488   [SDOI2011] 工作安排 0 / 0 8
6642 P2489   [SDOI2011] 迷宫探险 0 / 0 8
6643 P2490   [SDOI2011] 黑白棋 0 / 0 8
6644 P2491   [SDOI2011] 消防 0 / 0 7
6645 P2492   [SDOI2011] 火星移民 0 / 0 9
6646 P2493   [SDOI2011] 贪食蛇 0 / 0 9
6647 P2494   [SDOI2011] 保密 0 / 0 9
6648 P2495   【模板】虚树 / [SDOI2011] 消耗战 0 / 0 8
6673 P2519   [HAOI2011] problem a 0 / 0 7
6674 P2520   [HAOI2011] 向量 0 / 0 7
6675 P2521   [HAOI2011] 防线修建 0 / 0 8
6676 P2522   [HAOI2011] Problem b 0 / 0 7
6677 P2523   [HAOI2011] Problem c 0 / 0 7
6784 P2627   [USACO11OPEN] Mowing the Lawn G 6 / 10 6
7183 P3006   [USACO11JAN] Bottleneck G 0 / 0 8
7184 P3007   [USACO11JAN] The Continental Cowngress G 3 / 11 7
7185 P3008   [USACO11JAN] Roads and Planes G 37 / 171 7
7186 P3009   [USACO11JAN] Profits S 15 / 78 3
7187 P3010   [USACO11JAN] Dividing the Gold S 0 / 0 6
7188 P3011   [USACO11JAN] Traffic Lights S 0 / 0 8
7189 P3012   [USACO11FEB] Cowlphabet G 0 / 0 6
7190 P3013   [USACO11FEB] The Lost Cows G 0 / 0 7
7191 P3014   [USACO11FEB] Cow Line S 0 / 0 6
7192 P3015   [USACO11FEB] Best Parenthesis S 0 / 0 5
7193 P3016   [USACO11FEB] The Triangle S 0 / 0 5
7194 P3017   [USACO11MAR] Brownie Slicing G 0 / 0 7
7195 P3018   [USACO11MAR] Tree Decoration G 0 / 0 6
7196 P3019   [USACO11MAR] Meeting Place S 0 / 0 5
7197 P3020   [USACO11MAR] Package Delivery S 0 / 0 5
7198 P3021   [USACO11MAR] Bovine Bridge Battle S 0 / 0 5
7199 P3022   [USACO11OPEN] Odd degrees G 0 / 0 7
7200 P3023   [USACO11OPEN] Soldering G 0 / 0 8
7201 P3024   [USACO11OPEN] Cow Checkers S 0 / 0 7
7202 P3025   [USACO11OPEN] Forgotten Password S 0 / 0 7
7203 P3026   [USACO11OPEN] Learning Languages S 0 / 0 7
7206 P3029   [USACO11NOV] Cow Lineup S 0 / 0 5
7207 P3030   [USACO11NOV] Tile Exchanging S 0 / 0 5
7208 P3031   [USACO11NOV] Above the Median G 0 / 0 6
7209 P3032   [USACO11NOV] Binary Sudoku G 0 / 0 7
7210 P3033   [USACO11NOV] Cow Steeplechase G 0 / 0 7
7211 P3034   [USACO11DEC] Cow Photography G/S 0 / 0 7
7212 P3035   [USACO11DEC] Umbrellas for Cows S 0 / 0 5
7214 P3037   [USACO11DEC] Simplifying the Farm G 0 / 0 8
7215 P3038   [USACO11DEC] Grass Planting G 20 / 37 7
5116 P3157   [CQOI2011] 动态逆序对 7 / 26 8
7343 P3158   [CQOI2011] 放棋子 0 / 0 8
7396 P3211   [HNOI2011] XOR和路径 0 / 0 8
7397 P3212   [HNOI2011] 任务调度 0 / 0 8
7398 P3213   [HNOI2011] 勾股定理 0 / 0 8
7399 P3214   [HNOI2011] 卡农 0 / 0 8
7400 P3215   [HNOI2011] 括号修复 / [JSOI2011] 括号序列 0 / 0 8
7401 P3216   [HNOI2011] 数学作业 0 / 0 7
7402 P3217   [HNOI2011] 数矩形 0 / 0 8
7403 P3218   [HNOI2011] 赛车游戏 0 / 0 8
7457 P3272   [SCOI2011] 地板 0 / 0 9
7458 P3273   [SCOI2011] 棘手的操作 0 / 0 8
7459 P3274   [SCOI2011] 植物大战僵尸 0 / 0 9
7460 P3275   [SCOI2011] 糖果 0 / 0 7
7461 P3276   [SCOI2011] 镜像拆分 0 / 0 9
7462 P3277   [SCOI2011] 飞镖 0 / 0 8
7514 P3329   [ZJOI2011] 最小割 0 / 0 8
7515 P3330   [ZJOI2011] 看电影 0 / 0 8
7516 P3331   [ZJOI2011] 礼物 0 / 0 7
7702 P3513   [POI 2011] KON-Conspiracy 0 / 0 8
7703 P3514   [POI 2011] LIZ-Lollipop 0 / 0 7
7704 P3515   [POI 2011] Lightning Conductor 0 / 0 8
7705 P3516   [POI 2011] PRZ-Shift 0 / 0 7

Categories

Lucky

Pick a problem randomly based on the current filter.