|
|
1522 |
P2248
[GDKOI2023 普及组]城市建设
|
4 / 97 |
9 |
|
|
1523 |
P2249
[GDKOI2023 普及组]海星
|
0 / 10 |
10 |
|
|
1524 |
P2250
[GDKOI2023 普及组]Himitsu
|
0 / 0 |
(无) |
|
|
1525 |
P2251
[GDKOI2023 普及组]小学生数学题 绿
|
13 / 69 |
8 |
|
|
1526 |
P2252
[GDKOI2023 普及组]Macaron 黄
|
13 / 192 |
9 |
|
|
1527 |
P2253
[GDKOI2023 普及组]淋雨
|
1 / 15 |
10 |
|
|
1528 |
P2254
[GDKOI2023 普及组]置换
|
0 / 1 |
10 |
|
|
1531 |
P2257
[USACO09MAR] Moon Mooing G
|
0 / 0 |
(无) |
|
|
1532 |
P2258
[USACO09MAR] Cleaning Up G
|
0 / 0 |
(无) |
|
|
1534 |
P2260
*【模拟】分数化小数的循环节
|
24 / 27 |
1 |
|
|
1535 |
P2261
*【树状数组】最大上升子序列和
|
3 / 7 |
10 |
|
|
1536 |
P2262
*【最短路+DP】矩阵逃离
|
21 / 74 |
6 |
|
|
1547 |
P2263
*【宽搜】玉米迷宫[USACO11OPEN] Corn Maze S
|
31 / 114 |
6 |
|
|
1550 |
P2266
*【并查集】学习语言[USACO11OPEN] Learning Languages S
|
28 / 109 |
7 |
|
|
1552 |
P2268
*【递归】所有点度数为奇[USACO11OPEN] Odd degrees G
|
17 / 78 |
7 |
|
|
1554 |
P2270
【LCA练习】[USACO11MAR] Meeting Place S
|
6 / 12 |
9 |
|
|
1555 |
P2271
*【最短路练习】[USACO11MAR] Package Delivery S
|
9 / 13 |
7 |
|
|
1556 |
P2272
*【计算几何：四点中心对称】[USACO11MAR] Bovine Bridge Battle S
|
3 / 3 |
10 |
|
|
1557 |
P2273
*【二分】矩阵尽量平均分块[USACO11MAR] Brownie Slicing G
|
1 / 1 |
10 |
|
|
1562 |
P2278
*【动态规划设计】单词接龙[USACO11FEB] Cowlphabet G
|
2 / 2 |
10 |
|
|
1563 |
P2279
[USACO11FEB] The Lost Cows G
|
0 / 0 |
(无) |
|
|
1568 |
P2284
[USACO11JAN] Bottleneck G
|
1 / 2 |
10 |
|
|
1569 |
P2285
D37【2-sat】[USACO11JAN] The Continental Cowngress G
|
3 / 5 |
10 |
|
|
1571 |
P2287
*【最短路：dijkstra算法】单源最短路[USACO09OPEN] Hide and Seek S
|
34 / 163 |
7 |
|
|
1572 |
P2288
*【动态规划：中间推+优化空间】直线取数游戏[USACO10DEC] Treasure Chest S
|
18 / 121 |
8 |
|
|
1573 |
P2289
【递归】解01方程组 [USACO10DEC]The Trough Game S
|
15 / 29 |
5 |
|
|
1574 |
P2290
D61 树的直径 二分 [USACO10DEC] Cow Calisthenics G
|
1 / 5 |
10 |
|
|
1575 |
P2291
[USACO10DEC] Big Macs Around the World G
|
0 / 0 |
(无) |
|
|
1576 |
P2292
[USACO10DEC] Threatening Letter G
|
0 / 0 |
(无) |
|
|
1577 |
P2293
*【最短路】出发点到两点的最短距离[USACO10DEC] Apple Delivery S
|
19 / 55 |
6 |
|
|
1578 |
P2294
*【组合数：综合计算】平面两点之间不经过整数点的方案数[USACO10NOV] Banner S
|
14 / 53 |
7 |
|
|
1579 |
P2295
*【记忆化搜索】吃糖果[USACO10NOV] Candy S
|
17 / 110 |
8 |
|
|
1580 |
P2296
【拓扑】关键点[USACO10NOV] Chocolate Milk S
|
4 / 10 |
9 |
|
|
1581 |
P2297
*【树状数组：逆序对】循环同构的最少交换次数[USACO10NOV] Cow Photographs G（好题）
|
1 / 1 |
10 |
|
|
1584 |
P2300
*【贪心】牛抢座位[USACO10OCT] Dinner Time S
|
26 / 186 |
8 |
|
|
1586 |
P2302
*【背包：价值填满型完全背包】山洞宝石3[USACO10OCT] Making Money G
|
36 / 171 |
7 |
|
|
1588 |
P2304
【模拟】哪一座山最宽[USACO10OPEN] Mountain Watching S
|
9 / 21 |
7 |
|
|
1590 |
P2306
【DP单调队列优化】奶牛的跳格子游戏[USACO10OPEN] Cow Hopscotch G
|
4 / 14 |
9 |
|
|
1615 |
P2307
*【记忆化搜索】k次选错的最长路[USACO10OPEN] Water Slides G
|
3 / 10 |
10 |
|
|
1620 |
P2308
*【容斥原理】统计包含原点的三角形[USACO10OPEN] Triangle Counting G
|
7 / 10 |
9 |
|
|
1635 |
P2310
[USACO10MAR] Test Taking S
|
10 / 69 |
8 |
|
|
1679 |
P2314
【计算几何：半平面交】[USACO10MAR] StarCowraft G
|
4 / 13 |
9 |
|
|
1680 |
P2315
*【贪心】购买巧克力[USACO10FEB] Chocolate Buying S
|
30 / 104 |
6 |
|
|
1683 |
P2318
[USACO10FEB] Covering the Corral G
|
7 / 31 |
8 |
|
|
1692 |
P2319
*【宽搜+set二分】冰上[USACO10FEB] Cows on Ice G（好题）
|
6 / 7 |
9 |
|
|
1693 |
P2320
*【树状数组+DFS】统计点i到根路径点权比wi小的点数[USACO10FEB] Slowing down G
|
28 / 88 |
6 |
|
|
1694 |
P2321
*【并查集】判断两点是否连通[USACO10JAN] Tea Time S
|
24 / 29 |
1 |
|
|
1696 |
P2323
*【背包练习】奶酪塔[USACO10JAN] Cheese Towers S
|
20 / 134 |
8 |
|
|
1697 |
P2324
*【动态规划】两头牛轮流捡硬币[USACO10JAN] Taking Turns G
|
21 / 54 |
5 |
|
|
1700 |
P2325
[USACO10JAN] Shipping Around an Island G
|
8 / 17 |
7 |
|
|
1719 |
P2326
*【贪心】树上统计[USACO10JAN] Cow Telephones G
|
21 / 39 |
4 |
|
|
1720 |
P2327
[USACO09DEC] Bobsledding S
|
6 / 62 |
9 |
|
|
1721 |
P2328
[USACO09DEC] Music Notes S
|
11 / 14 |
7 |
|
|
1732 |
P2330
【拓扑】混合图无环[USACO09DEC] Dizzy Cows G（spj）
|
2 / 56 |
10 |
|
|
1733 |
P2331
E62 树形DP [蓝桥杯 2018 国 A] 采油
|
1 / 32 |
10 |
|
|
1734 |
P2332
[USACO09DEC] Video Game Troubles G
|
10 / 21 |
6 |
|
|
1735 |
P2333
[USACO09NOV] A Coin Game S
|
5 / 10 |
9 |
|
|
1736 |
P2334
[USACO09NOV] The Grand Farm-off S
|
8 / 33 |
7 |
|
|
1737 |
P2335
[USACO09NOV] Job Hunt S
|
6 / 19 |
8 |
|
|
1738 |
P2336
[USACO09NOV] Lights G
|
4 / 15 |
9 |
|
|
1739 |
P2337
[USACO09NOV] Who Brings the Cookies? G
|
7 / 12 |
9 |
|
|
1747 |
P2338
[USACO09NOV] Cow Rescue G
|
3 / 4 |
10 |
|
|
1748 |
P2339
【入门】判断大整数奇偶性[USACO09OCT] Even? Odd? G
|
16 / 35 |
5 |
|
|
1759 |
P2340
*【快速幂】序列的第 k 项
|
57 / 139 |
5 |
|
|
1761 |
P2342
[USACO09OCT] Barn Echoes G
|
13 / 23 |
5 |
|
|
1763 |
P2344
*【线性筛】1/x +1/y =1/n! 的方案数
|
33 / 111 |
6 |
|
|
1764 |
P2345
*【线性筛】哥德巴赫猜想[POJ2262]
|
48 / 174 |
6 |
|
|
1765 |
P2346
[USACO09OCT] The Robot Plow G
|
9 / 13 |
7 |
|
|
1768 |
P2349
[USACO09OCT] Papaya Jungle G
|
2 / 2 |
10 |
|
|
1769 |
P2350
*【组合数：可重复排列】X-factor Chain[POJ3421]
|
44 / 156 |
6 |
|
|
1771 |
P2352
E61 树形DP [蓝桥杯 2021 省 A] 左孩子右兄弟
|
5 / 12 |
9 |
|
|
1773 |
P2354
*【扩展欧几里得：解同余方程组】[POJ 2891]
|
21 / 128 |
8 |
|
|
1775 |
P2356
*【矩阵乘法】4：Fibonacci数列前n项和
|
34 / 85 |
5 |
|
|
1776 |
P2357
[USACO09OCT] The Leisurely Stroll G
|
2 / 11 |
10 |
|
|
1777 |
P2358
E61_1 树形DP 最大子树和（加强数据）
|
6 / 8 |
9 |
|
|
1778 |
P2359
*【巴什博弈Bash Game 】取石子游戏1
|
35 / 101 |
5 |
|
|
1781 |
P2362
*【博弈SG】Nim取石子游戏4[BeiJing2009WC]（未解决）
|
0 / 0 |
(无) |
|
|
1782 |
P2363
0x20搜索（练习）7：[USACO09OCT] Invasion of the Milkweed G
|
4 / 40 |
9 |
|
|
1783 |
P2364
E59 四边形不等式优化DP [UVA10304] Optimal Binary Search Tree
|
1 / 2 |
10 |
|
|
1784 |
P2365
*【博弈SG】取石子（未解决）
|
1 / 2 |
10 |
|
|
1785 |
P2366
[USACO09OCT] Allowance G
|
4 / 9 |
9 |
|
|
1786 |
P2367
E08_4 [USACO09OCT] Bessie's Weight Problem G
|
31 / 134 |
7 |
|
|
1790 |
P2371
D58【最近公共祖先LCA】树上同组两点的最大距离[USACO10HOL] Cow Politics G
|
39 / 176 |
7 |
|
|
1791 |
P2372
*【博弈SG】树上阶梯nim [USACO10HOL] Rocks and Trees G
|
3 / 19 |
9 |
|
|
1792 |
P2373
*【高斯消元】无向图中炸弹爆炸的概率[USACO10HOL] Driving Out the Piggies G（spj）（好题
|
4 / 34 |
9 |
|
|
1793 |
P2374
E45*【单调队列+二分】绿色通道
|
15 / 24 |
5 |
|
|
1794 |
P2375
[USACO09HOL] Cattle Bruisers G
|
1 / 5 |
10 |
|
|
1796 |
P2377
【最大流】J牛打T牛[USACO10HOL] Cow War G（无spj）
|
8 / 17 |
7 |
|
|
1797 |
P2378
[USACO09HOL] Transmission Delay G
|
5 / 6 |
10 |
|
|
1798 |
P2379
*【树形DP：树的直径】数字转换
|
14 / 30 |
5 |
|
|
1799 |
P2380
E51*【斜率优化】打印文章[HDU3507]
|
33 / 187 |
8 |
|
|
1800 |
P2381
E55*【斜率优化】[CF311B] Cats Transport
|
11 / 44 |
7 |
|
|
1801 |
P2382
*【斜率优化】[CEOI 2004] 锯木厂选址
|
13 / 38 |
6 |
|
|
1802 |
P2383
*【树形DP：树的直径】判断点是否在树的最长路径上[旅游规划]
|
9 / 23 |
7 |
|
|
1803 |
P2384
*【线段树｜双树状数组】一维区间修改+区间极值查询（好题）
|
50 / 266 |
8 |
|
|
1806 |
P2387
[USACO09HOL] Holiday Painting G
|
1 / 4 |
10 |
|
|
1807 |
P2388
[USACO09HOL] Pearl Bracelet G（无 SPJ）
|
1 / 1 |
10 |
|
|
1809 |
P2390
*【斜率优化】任务安排2
|
17 / 45 |
5 |
|
|
1810 |
P2391
*【字典树】Phone List[POJ3630]
|
33 / 153 |
7 |
|
|
1811 |
P2392
[USACO07NOV] Telephone Wire G
|
8 / 17 |
7 |
