ID Problem Show tags Hide tags AC / Tried Difficulty
3 P1003   [NOIP 2011 提高组] 铺地毯 9 / 11 3
293 P1295   [TJOI2011] 书架 0 / 0 7
305 P1307   [NOIP 2011 普及组] 数字反转 23 / 115 1
306 P1308   [NOIP 2011 普及组] 统计单词数 35 / 45 3
307 P1309   [NOIP 2011 普及组] 瑞士轮 1 / 7 5
308 P1310   [NOIP 2011 普及组] 表达式的值 0 / 0 6
309 P1311   [NOIP 2011 提高组] 选择客栈 3 / 4 5
310 P1312   [NOIP 2011 提高组] Mayan 游戏 0 / 1 7
311 P1313   [NOIP 2011 提高组] 计算系数 2 / 3 5
312 P1314   [NOIP 2011 提高组] 聪明的质监员 7 / 16 6
313 P1315   [NOIP 2011 提高组] 观光公交 1 / 2 7
373 P1377   [TJOI2011] 树的序 0 / 0 7
412 P1418   [TJOI2011] 构造矩阵 0 / 0 7
532 P1539   [TJOI2011] 01矩阵 0 / 0 7
699 P1732   [TJOI2011] 序列 0 / 0 3
783 P1825   [USACO11OPEN] Corn Maze S 5 / 21 5
922 P1971   [NOI2011] 兔兔与蛋蛋游戏 1 / 1 9
924 P1973   [NOI2011] NOI 嘉年华 0 / 0 8
945 P1995   [NOI2011] 智能车比赛 0 / 0 8
968 P2020   [NOI2011] 兔农 0 / 0 9
999 P2052   [NOI2011] 道路修建 2 / 2 5
1011 P2065   [TJOI2011] 卡片 0 / 0 7
1112 P2176   [USACO11DEC] RoadBlock S / [USACO14FEB] Roadblock G/S 2 / 2 6
5050 P2291   [PA 2011] Prime prime power 质数的质数次方 0 / 0 7
1320 P2344   [USACO11FEB] Generic Cow Protests G 0 / 0 7
1418 P2414   [NOI2011] 阿狸的打字机 1 / 1 8
1502 P2484   [SDOI2011] 打地鼠 0 / 0 7
1503 P2485   [SDOI2011] 计算器 0 / 0 7
1504 P2486   [SDOI2011] 染色 0 / 0 8
1505 P2487   [SDOI2011] 拦截导弹 3 / 11 8
1506 P2488   [SDOI2011] 工作安排 0 / 0 8
1507 P2489   [SDOI2011] 迷宫探险 0 / 0 8
1508 P2490   [SDOI2011] 黑白棋 0 / 0 8
1509 P2491   [SDOI2011] 消防 2 / 2 7
1510 P2492   [SDOI2011] 火星移民 0 / 0 9
1511 P2493   [SDOI2011] 贪食蛇 0 / 0 9
1512 P2494   [SDOI2011] 保密 0 / 0 9
1513 P2495   【模板】虚树 / [SDOI2011] 消耗战 2 / 4 8
1538 P2519   [HAOI2011] problem a 0 / 0 7
1539 P2520   [HAOI2011] 向量 0 / 0 7
1540 P2521   [HAOI2011] 防线修建 0 / 0 8
1541 P2522   [HAOI2011] Problem b 1 / 1 7
1542 P2523   [HAOI2011] Problem c 1 / 1 7
1651 P2627   [USACO11OPEN] Mowing the Lawn G 2 / 3 6
2051 P3006   [USACO11JAN] Bottleneck G 0 / 0 8
2052 P3007   [USACO11JAN] The Continental Cowngress G 0 / 0 7
2053 P3008   [USACO11JAN] Roads and Planes G 0 / 0 7
2054 P3009   [USACO11JAN] Profits S 0 / 0 3
2055 P3010   [USACO11JAN] Dividing the Gold S 0 / 0 6
2056 P3011   [USACO11JAN] Traffic Lights S 0 / 0 8
2057 P3012   [USACO11FEB] Cowlphabet G 0 / 0 6
8565 P3013   [USACO11FEB] The Lost Cows G 0 / 0 7
2058 P3014   [USACO11FEB] Cow Line S 0 / 0 6
2059 P3015   [USACO11FEB] Best Parenthesis S 0 / 0 5
2060 P3016   [USACO11FEB] The Triangle S 0 / 0 5
2061 P3017   [USACO11MAR] Brownie Slicing G 1 / 1 7
2062 P3018   [USACO11MAR] Tree Decoration G 0 / 0 6
2063 P3019   [USACO11MAR] Meeting Place S 0 / 0 5
2064 P3020   [USACO11MAR] Package Delivery S 0 / 0 5
2065 P3021   [USACO11MAR] Bovine Bridge Battle S 0 / 0 5
2066 P3022   [USACO11OPEN] Odd degrees G 0 / 0 7
2067 P3023   [USACO11OPEN] Soldering G 0 / 0 8
2068 P3024   [USACO11OPEN] Cow Checkers S 0 / 0 7
2069 P3025   [USACO11OPEN] Forgotten Password S 0 / 0 7
2070 P3026   [USACO11OPEN] Learning Languages S 0 / 0 7
2073 P3029   [USACO11NOV] Cow Lineup S 2 / 2 5
2074 P3030   [USACO11NOV] Tile Exchanging S 0 / 0 5
2075 P3031   [USACO11NOV] Above the Median G 0 / 0 6
2076 P3032   [USACO11NOV] Binary Sudoku G 0 / 0 7
2077 P3033   [USACO11NOV] Cow Steeplechase G 4 / 17 7
2078 P3034   [USACO11DEC] Cow Photography G/S 0 / 0 7
2079 P3035   [USACO11DEC] Umbrellas for Cows S 0 / 0 7
2081 P3037   [USACO11DEC] Simplifying the Farm G 0 / 0 8
2082 P3038   [USACO11DEC] Grass Planting G 0 / 0 7
2211 P3157   [CQOI2011] 动态逆序对 1 / 4 8
2212 P3158   [CQOI2011] 放棋子 0 / 0 8
2265 P3211   [HNOI2011] XOR和路径 0 / 0 8
2266 P3212   [HNOI2011] 任务调度 0 / 0 8
2267 P3213   [HNOI2011] 勾股定理 0 / 0 8
2268 P3214   [HNOI2011] 卡农 0 / 0 8
2269 P3215   [HNOI2011] 括号修复 / [JSOI2011] 括号序列 1 / 2 8
2270 P3216   [HNOI2011] 数学作业 0 / 0 7
2271 P3217   [HNOI2011] 数矩形 0 / 0 8
2272 P3218   [HNOI2011] 赛车游戏 0 / 0 8
2326 P3272   [SCOI2011] 地板 0 / 0 9
2327 P3273   [SCOI2011] 棘手的操作 0 / 0 8
2328 P3274   [SCOI2011] 植物大战僵尸 0 / 0 9
2329 P3275   [SCOI2011] 糖果 0 / 0 7
2330 P3276   [SCOI2011] 镜像拆分 0 / 0 9
2331 P3277   [SCOI2011] 飞镖 0 / 0 8
2383 P3329   [ZJOI2011] 最小割 0 / 0 8
2384 P3330   [ZJOI2011] 看电影 0 / 0 8
2385 P3331   [ZJOI2011] 礼物 0 / 0 7
2572 P3513   [POI 2011] KON-Conspiracy 2 / 3 8
2573 P3514   [POI 2011] LIZ-Lollipop 2 / 2 7
2574 P3515   [POI 2011] Lightning Conductor 1 / 3 8
2575 P3516   [POI 2011] PRZ-Shift 0 / 0 7
2576 P3517   [POI 2011] WYK-Plot 0 / 0 9
2577 P3518   [POI 2011] SEJ-Strongbox 0 / 0 7
2578 P3519   [POI 2011] ROZ-Difference 0 / 4 7

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