Training Detail - 趣信奥

按常见算法和思维模型分章，适合专题补弱、课后作业和阶段复习。当前收录 ABC457–ABC476 中精选的 69 道题。

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使用建议

每章内部大致按难度递增，建议顺序完成。
与「滚动 ABC 整套训练」互补：那份练整场节奏，这份练单点知识。
遇到卡壳的题，先回到本章前面几道确认套路是否掌握，再看题解。
第 1~4 章对应 CSP-J 一等奖水平，第 5~9 章对应 CSP-S 一等奖水平。

expand collapse

Problem	Tried	AC	Difficulty
abc461a Armor	0	0	1
abc462a Secret Numbers	0	0	1
abc463a 16:9	0	0	1
abc465a Supermajority	0	0	1
abc467a Obesity	0	0	1

expand collapse

Problem	Tried	AC	Difficulty
abc458c C Stands for Center	1	1	2
abc459c Drop Blocks	0	0	2
abc463b Train Reservation	0	0	2
abc468b Corridor Watch	0	0	2
abc469b Isolated Seats	0	0	2
abc471b Survey Tabulation	0	0	2
abc474b Exit Order	0	0	2
abc475b Change	0	0	2

expand collapse

Problem	Tried	AC	Difficulty
abc460c Sushi	1	1	3
abc461c Variety	2	1	2
abc462c Not Covered Points	0	0	2
abc463d Maximize the Gap	0	0	3
abc467e Adjacent Sums (hard)	0	0	4
abc470b Monocolor	0	0	2
abc471c Cookies and Greedy Takahashi	0	0	3
abc474e One Time Coupon	0	0	4
abc475c Walk the Line	0	0	3
abc476d Automat	0	0	4

expand collapse

Problem	Tried	AC	Difficulty
abc461d Count Subgrid Sum = K	4	2	3
abc462d Accomplice	0	0	4
abc463c Tallest at the Moment	0	0	3
abc464e Fill-Rect Query	0	0	4
abc469c Cantrip	0	0	3
abc472c On a Diet	0	0	3
abc473e K-Divisible Subarrays	0	0	4

expand collapse

Problem	Tried	AC	Difficulty
abc458d Chalkboard Median	2	1	3
abc457e Crossing Table Cloth	2	1	3
abc461e E-liter	0	0	4
abc464c Plumage Palette	0	0	3
abc465c Reverse Permutation	0	0	3
abc470c Inc, Dec, Xor	0	0	3
abc471d Chargers	0	0	3
abc473c Change Schools	0	0	3
abc475e Quiz Competition: Qualifiers	0	0	5
abc476e Min-Max Swap	0	0	4

expand collapse

Problem	Tried	AC	Difficulty
abc459e Select from Subtrees	0	0	3
abc464d Celester	0	0	3
abc466e Range Flip	0	0	4
abc465e Digit Circus	0	0	5
abc473d Coefficient Stair	0	0	3
abc470e Concentration	0	0	5

expand collapse

Problem	Tried	AC	Difficulty
abc460d Repeatedly Repainting	1	1	3
abc463e Roads and Gates	0	0	4
abc465d X to Y	0	0	3
abc460b Two Rings	0	0	1
abc467d Concentric Circles	0	0	3
abc472d Bomber Mad	0	0	3
abc472e Odd Cycle	0	0	4

expand collapse

Problem	Tried	AC	Difficulty
abc458e Count 123	0	0	3
abc462e Alternating Costs	0	0	5
abc467c Adjacent Sums (easy)	0	0	3
abc468c Between P and Q	0	0	3
abc468e Sum of Average	0	0	4
abc471e Sum of Square of Sum	0	0	4
abc474d Outweigh	0	0	3
abc475d Alphametic Prime	0	0	3

expand collapse

Problem	Tried	AC	Difficulty
abc457d Raise Minimum	0	0	3
abc459d Adjacent Distinct String	1	1	3
abc466d Placing Rooks	0	0	3
abc469d The Big Two	0	0	3
abc469e Pro Exam Eligibility	0	0	4
abc470d Inverse and Swap	0	0	3
abc474c Remove and Append	0	0	3
abc476c Third Largest Number	0	0	3

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Created By: adler