USACO - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
5451	5451 [USACO2.1] 海明码 Hamming Codes 普及/提高− 搜索进制位运算 USACO	0 / 0	(无)
5452	5452 [USACO2.4] 穿越栅栏 Overfencing 普及/提高− 搜索 USACO	0 / 0	(无)
5453	5453 [USACO22OPEN] 262144 Revisited P NOI/NOI+/CTSC 动态规划 DP 区间 DP 动态规划优化 USACO 2022	0 / 0	(无)
5454	5454 [USACO22OPEN] Hoof and Brain P NOI/NOI+/CTSC 拓扑排序启发式合并 USACO 2022	0 / 0	(无)
5455	5455 [USACO22OPEN] Up Down Subsequence P 省选/NOI- 动态规划 DP 树状数组动态规划优化 USACO 2022	0 / 0	(无)
5456	5456 [USACO22OPEN] Apple Catching G 提高+/省选- 贪心排序 USACO 2022	0 / 0	(无)
5457	5457 [USACO22OPEN] Pair Programming G 提高+/省选- 动态规划 DP USACO 2022	0 / 0	(无)
5458	5458 [USACO22OPEN] Balancing a Tree G 提高+/省选- 数学贪心二分构造 USACO 2022 Special Judge	0 / 0	(无)
5459	5459 [USACO22OPEN] Visits S 普及+/提高拓扑排序连通块强连通分量基环树 USACO 2022	0 / 0	(无)
5460	5460 [USACO22OPEN] Subset Equality S 提高+/省选- 枚举 Ad-hoc USACO 2022	0 / 0	(无)
5461	5461 [USACO22OPEN] COW Operations S 普及+/提高前缀和 USACO 2022	0 / 0	(无)
5462	5462 [USACO22OPEN] Photoshoot B 普及+/提高贪心 USACO 2022	0 / 0	(无)
5463	5463 [USACO22OPEN] Counting Liars B 普及- 数学排序 USACO 2022	0 / 0	(无)
5464	5464 [USACO22OPEN] Alchemy B 普及/提高- 二分递归 USACO 2022	0 / 0	(无)
5465	5465 [USACO22FEB] Paint by Rectangles P NOI/NOI+/CTSC 线段树平面图欧拉公式扫描线 USACO 2022	0 / 0	(无)
5466	5466 [USACO22FEB] Sleeping in Class P 省选/NOI- 贪心数论素数判断质数筛法前缀和 USACO 2022	0 / 0	(无)
5467	5467 [USACO22FEB] Phone Numbers P NOI/NOI+/CTSC 动态规划 DP 动态规划优化状态合并 USACO 2022	0 / 0	(无)
5468	5468 [USACO22FEB] Redistributing Gifts G 省选/NOI- 组合数学状压 DP USACO 2022	0 / 0	(无)
5469	5469 [USACO22FEB] Cow Camp G 提高+/省选- 动态规划 DP 期望矩阵乘法 USACO 2022 Special Judge	0 / 0	(无)
5470	5470 [USACO22FEB] Moo Network G 普及+/提高贪心生成树 USACO 2022	0 / 0	(无)
5471	5471 [USACO22FEB] Redistributing Gifts S 普及+/提高图论图论建模 bitset Floyd 算法 USACO 2022	0 / 0	(无)
5472	5472 [USACO22FEB] Robot Instructions S 提高+/省选- 折半搜索 meet in the middle USACO 2022	0 / 0	(无)
5473	5473 [USACO22FEB] Robot Instructions S 提高+/省选- 折半搜索 meet in the middle USACO 2022	0 / 0	(无)
5474	5474 [USACO22FEB] Photoshoot 2 B 普及- 排序 USACO 2022	0 / 0	(无)
5475	5475 [USACO22FEB] Blocks B 普及- 搜索枚举 USACO 2022	0 / 0	(无)
5476	5476 [USACO22JAN] Minimizing Haybales P 提高+/省选- 线段树二分拓扑排序 USACO 2022	0 / 0	(无)
5477	5477 [USACO22JAN] Counting Haybales P 省选/NOI- 动态规划 DP USACO 2022	0 / 0	(无)
5478	5478 [USACO22JAN] Multiple Choice Test P 省选/NOI- 凸包极角排序 USACO 2022	0 / 0	(无)
5479	5479 [USACO22JAN] Drought B 普及/提高- 数学贪心 USACO 2022	0 / 0	(无)
5480	5480 [USACO22JAN] Cereal 2 S 提高+/省选- 网络流图论建模构造 USACO 2022 Special Judge	0 / 0	(无)
5481	5481 [USACO22JAN] Cow Frisbee S 普及/提高- 单调栈 USACO 2022	0 / 0	(无)
5482	5482 [USACO22JAN] Searching for Soulmates S 普及+/提高数学贪心进制 USACO 2022	0 / 0	(无)
5483	5483 [USACO22JAN] Tests for Haybales G 省选/NOI- 数学构造 USACO 2022 Special Judge	0 / 0	(无)
5484	5484 [USACO22JAN] Farm Updates G 普及+/提高搜索并查集 USACO 2022	0 / 0	(无)
5485	5485 [USACO22JAN] Drought G 提高+/省选- 动态规划 DP 动态规划优化前缀和 USACO 2022	0 / 0	(无)
5486	5486 [USACO21DEC] Tickets P 省选/NOI- 动态规划 DP 线段树图论建模最短路 USACO 2021	0 / 0	(无)
5487	5487 [USACO21DEC] Paired Up P 省选/NOI- 动态规划 DP 动态规划优化 USACO 2021	0 / 0	(无)
5488	5488 [USACO21DEC] HILO P 省选/NOI- 动态规划 DP 数学期望 USACO 2021	0 / 0	(无)
5489	5489 [USACO21DEC] Paired Up G 提高+/省选- 动态规划 DP USACO 2021	0 / 0	(无)
5490	5490 [USACO21DEC] HILO G 提高+/省选- 笛卡尔树 USACO 2021	0 / 0	(无)
5491	5491 [USACO21DEC] Bracelet Crossings G 普及+/提高分类讨论 USACO 2021	0 / 0	(无)
5492	5492 [USACO21DEC] Closest Cow Wins S 提高+/省选- 贪心 USACO 2021	0 / 0	(无)
5493	5493 [USACO21DEC] Connecting Two Barns S 普及+/提高二分并查集 USACO 2021	0 / 0	(无)
5494	5494 [USACO21DEC] Convoluted Intervals S 普及/提高- 数学前缀和差分 USACO 2021	0 / 0	(无)
5495	5495 [USACO21DEC] Lonely Photo B 普及- 数学 USACO 2021	0 / 0	(无)
5496	5496 [USACO21DEC] Air Cownditioning B 普及/提高- 贪心 USACO 2021	0 / 0	(无)
5497	5497 [USACO21DEC] Walking Home B 普及/提高- 搜索深度优先搜索 DFS USACO 2021	0 / 0	(无)
5498	5498 [USACO21OPEN] Portals G 提高+/省选- 图论建模生成树 USACO 2021	0 / 0	(无)
5499	5499 [USACO21OPEN] Permutation G 省选/NOI- 动态规划 DP USACO 2021	0 / 0	(无)
5500	5500 [USACO21OPEN] Acowdemia S 普及/提高- 二分 USACO 2021	0 / 0	(无)
5501	5501 [USACO21OPEN] United Cows of Farmer John G 提高+/省选- 树状数组 USACO 2021	0 / 0	(无)
5502	5502 [USACO21OPEN] Maze Tac Toe S 普及+/提高记忆化搜索进制 USACO 2021	0 / 0	(无)
5503	5503 [USACO21OPEN] Do You Know Your ABCs? S 普及/提高- 分类讨论 USACO 2021	0 / 0	(无)
5504	5504 [USACO21OPEN] Acowdemia I B 普及- 贪心二分 USACO 2021 O2优化	0 / 0	(无)
5505	5505 [USACO21OPEN] Acowdemia II B 普及- 模拟 USACO 2021 O2优化	0 / 0	(无)
5506	5506 [USACO21OPEN] Acowdemia III B 普及/提高- 贪心分类讨论 USACO 2021 O2优化	0 / 0	(无)
5507	5507 [USACO21OPEN] Routing Schemes P NOI/NOI+/CTSC 矩阵树定理欧拉回路 USACO 2021	0 / 0	(无)
5508	5508 [USACO21OPEN] Balanced Subsets P 省选/NOI- 动态规划 DP 前缀和 USACO 2021	0 / 0	(无)
5509	5509 [USACO21OPEN] United Cows of Farmer John P 省选/NOI- 线段树扫描线 USACO 2021	0 / 0	(无)
5510	5510 [USACO21FEB] No Time to Dry P 提高+/省选- 线段树树状数组扫描线 USACO 2021 O2优化	0 / 0	(无)
5511	5511 [USACO21FEB] Minimizing Edges P NOI/NOI+/CTSC 贪心分类讨论 USACO 2021 O2优化	0 / 0	(无)
5512	5512 [USACO21FEB] Counting Graphs P NOI/NOI+/CTSC 动态规划 DP 容斥原理 USACO 2021 O2优化	0 / 0	(无)
5513	5513 [USACO21FEB] Stone Game G 提高+/省选- 博弈论 Ad-hoc USACO 2021 O2优化	0 / 0	(无)
5514	5514 [USACO21FEB] Modern Art 3 G 省选/NOI- USACO 2021 O2优化	0 / 0	(无)
5515	5515 [USACO21FEB] Count the Cows G 提高+/省选- 递归分治数位 DP USACO 2021 O2优化	0 / 0	(无)
5516	5516 [USACO21FEB] Comfortable Cows S 普及+/提高模拟搜索 USACO 2021 O2优化	0 / 0	(无)
5517	5517 [USACO21FEB] Year of the Cow S 普及/提高- 数学贪心 USACO 2021 O2优化	0 / 0	(无)
5518	5518 [USACO21FEB] Just Green Enough S 普及+/提高枚举 USACO 2021 O2优化	0 / 0	(无)
5519	5519 [USACO21FEB] Year of the Cow B 普及- 模拟 USACO 2021 O2优化	0 / 0	(无)
5520	5520 [USACO21FEB] Comfortable Cows B 普及- 模拟 USACO 2021 O2优化	0 / 0	(无)
5521	5521 [USACO21FEB] Clockwise Fence B 普及- 模拟数学 USACO 2021 O2优化	0 / 0	(无)
5522	5522 [USACO21JAN] Sum of Distances P NOI/NOI+/CTSC 动态规划 DP 线段树组合数学容斥原理扫描线 USACO 2021 O2优化	0 / 0	(无)
5523	5523 [USACO21JAN] Minimum Cost Paths P NOI/NOI+/CTSC 二分凸包单调栈组合优化保序回归 USACO 2021 O2优化	0 / 0	(无)
5524	5524 [USACO21JAN] Paint by Letters P NOI/NOI+/CTSC 图论并查集 cdq 分治广度优先搜索 BFS 平面图欧拉公式前缀和栈分块 USACO 2021	0 / 0	(无)
5525	5525 [USACO21JAN] Uddered but not Herd G 提高+/省选- 记忆化搜索状压 DP USACO 2021	0 / 0	(无)
5526	5526 [USACO21JAN] Telephone G 提高+/省选- 图论建模最短路 USACO 2021	0 / 0	(无)
5527	5527 [USACO21JAN] Dance Mooves G 提高+/省选- 双指针 two-pointer USACO 2021 O2优化	0 / 0	(无)
5528	5528 [USACO21JAN] Dance Mooves S 普及+/提高并查集 USACO 2021	0 / 0	(无)
5529	5529 [USACO21JAN] No Time to Paint S 普及/提高- 前缀和 USACO 2021	0 / 0	(无)
5530	5530 [USACO21JAN] Spaced Out S 普及+/提高数学贪心 USACO 2021	0 / 0	(无)
5531	5531 [USACO21JAN] Uddered but not Herd B 入门模拟 USACO 2021 O2优化	0 / 0	(无)
5532	5532 [USACO21JAN] Even More Odd Photos B 普及- 数学贪心 USACO 2021 O2优化	0 / 0	(无)
5533	5533 [USACO21JAN] Just Stalling B 普及- 贪心排序 USACO 2021 O2优化	0 / 0	(无)
5534	5534 [USACO20DEC] Sleeping Cows P 省选/NOI- 动态规划 DP 组合数学 USACO 2020 O2优化	0 / 0	(无)
5535	5535 [USACO20DEC] Spaceship P NOI/NOI+/CTSC 动态规划 DP 组合数学 USACO 2020 O2优化	0 / 0	(无)
5536	5536 [USACO20DEC] Cowmistry P NOI/NOI+/CTSC 动态规划 DP 数位 DP 组合数学字典树 Trie USACO 2020 O2优化	0 / 0	(无)
5537	5537 [USACO20DEC] Replication G 提高+/省选- 搜索堆广度优先搜索 BFS USACO 2020 O2优化	0 / 0	(无)
5538	5538 [USACO20DEC] Bovine Genetics G 省选/NOI- 动态规划 DP USACO 2020 O2优化	0 / 0	(无)
5539	5539 [USACO20DEC] Square Pasture G 省选/NOI- 数学排序双指针 two-pointer USACO 2020 O2优化	0 / 0	(无)
5540	5540 [USACO20DEC] Cowntagion S 普及/提高- 数学贪心 USACO 2020 O2优化	0 / 0	(无)
5541	5541 [USACO20DEC] Rectangular Pasture S 普及+/提高离散化排序前缀和 USACO 2020 O2优化	0 / 0	(无)
5542	5542 [USACO20DEC] Stuck in a Rut S 普及+/提高贪心并查集排序 USACO 2020 O2优化	0 / 0	(无)
5543	5543 [USACO20DEC] Do You Know Your ABCs? B 入门数学 USACO 2020 O2优化	0 / 0	(无)
5544	5544 [USACO20DEC] Daisy Chains B 普及- 模拟 USACO 2020 O2优化	0 / 0	(无)
5545	5545 [USACO20DEC] Stuck in a Rut B 普及/提高- 枚举排序 USACO 2020 O2优化	0 / 0	(无)
5546	5546 [USACO20JAN] Word Processor B 模拟字符串入门 USACO 2020 O2优化	0 / 0	(无)
5828	5828 [USACO13FEB] Perimeter S 线段树深度优先搜索 DFS USACO 2013 提高+/省选−	0 / 0	(无)
5832	5832 [USACO15JAN] Meeting Time-铜组普及/提高- USACO 深度优先搜索 DFS 枚举图论最短路径	0 / 0	(无)
5833	5833 [USACO15FEB] Cow Hopscotch (Bronze)-铜组普及- USACO 深度优先搜索 DFS 动态规划递归网格计数	0 / 0	(无)
5834	5834 [USACO15OPEN] Palindromic Paths (Bronze)-铜组普及/提高- USACO 深度优先搜索 DFS 回文字符串哈希集合动态规划	0 / 0	(无)

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