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RSS订阅原创 HDU 多校4
开坑站位 题目地址J. Let Sudoku Rotate题意: 给你一个16×16的数独盘，你每次可以将一个4×4的数独用方阵顺时针旋转90°，求使得这个数独盘符合规则的最少旋转次数。题解: 然而模拟爆搜+正确性减枝就好了… 或者你可以用dance-link(dlx)来水…代码: 然而并没有代码(至死没调出来...) 先放...
2018-08-01 20:57:41
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原创 入门赛12
本赛涉及题目:codeforcesA: 450 A [Jzzhu and Children]B: 450 B [Jzzhu and Sequences]C: 450 C [Jzzhu and Chocolate]D: 450 D [Jzzhu and Cities]E: 450 E [Jzzhu and Apples]
2017-09-22 16:45:33
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原创 入门赛11
本赛涉及题目:codeforcesA: #340 A [The Wall]B: #340 B [Maximal Area Quadrilateral]C: #340 C [Tourist Problem]D: #340 D [Bubble Sort Graph]E: #340 E [Iahub and Permutations]
2017-09-20 19:27:38
246
3
原创 入门赛10
本赛涉及题目:codeforcesA: #845 A [Chess Tourney]B: #845 B [Luba And The Ticket]C: #845 C [Two TVs]D: #845 D [Driving Test]
2017-09-15 21:01:50
172
3
原创 入门赛9
本赛涉及题目:codeforcesA: #767 A [Snacktower]B: #767 B [The Queue]C: #767 C [Garland]D: #767 D [Cartons of milk]E: #767 E [Change-free]
2017-09-15 15:08:12
226
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原创 入门赛8
本赛涉及题目:codeforcesA: #797 A [k-Factorization]B: #797 B [Odd sum]C: #797 C [Minimal string]D: #797 D [Broken BST]E: #797 E [Array Queries]F: #797 F [Mice and Holes]
2017-09-11 16:04:46
322
4
原创 入门赛7
本题涉及题目: codeforcesA: #749 (div.2)A [Bachgold Problem]B: #749 (div.2)B [Parallelogram is Back]C: #749 (div.2)C [Voting]D: #333 (div.1)A [Secrets]E: #333 (div.1)B [Chips]
2017-09-09 11:09:46
206
6
原创 入门赛6
本题涉及题目:A: codeforces #854 (div.2)A [Fraction]B: codeforces #854 (div.2)B [Maxim Buys an Apartment]C: codeforces #854 (div.2)C [Planning]D: codeforces #854 (div.2)D [Jury Meeting]
2017-09-08 11:11:00
715
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原创 入门赛5
本赛涉及题目:codeforces #846A: (div.2)A [Curriculum Vitae]B: (div.2)B [Math Show]C: (div.2)C [Four Segments]D: (div.2)D [Monitor]E: (div.2)E [Chemistry in Berland]F: (div.2)F [Random Query]
2017-09-07 17:22:55
249
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原创 入门赛4
本题涉及题目:codeforcesA: #851 (div.2)A [Arpa and a research in Mexican wave]B: #851 (div.2)B [Arpa and an exam about geometry]C: #851 (div.2)C [Five Dimensional Points]D: #534 (div.2)C [PolycarpusDice]...
2017-09-06 16:26:24
236
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原创 入门赛3
本题涉及题目:codeforcesA: #842 (div.2)A [Kirill And The Game]B: #842 (div.2)B [Gleb And Pizza]C: #842 (div.2)C [Ilya And The Tree]D: #798 (div.2)C [Mike and gcd problem]E: #796 (div.2)C [Bank Hacking]
2017-09-05 11:41:43
291
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原创 入门赛2
本赛涉及题目:codeforcesA: #849 (div.2)A [Odds and Ends]B: #849 (div.2)B [Tell Your World]C: #849 (div.2)C [From Y to Y]D: #610 (div.2)C [Harmony Analysis]E: #385 (div.2)C [Bear and Prime Numbers]
2017-09-04 19:39:26
569
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