	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7206	P4B Before an Exam constructive algorithms greedy *1200	0 / 0	(无)
	7201	P5C Longest Regular Bracket Sequence constructive algorithms data structures dp greedy sortings strings *1900	0 / 0	(无)
	7193	P7A Kalevitch and Chess brute force constructive algorithms *1100	0 / 0	(无)
	7187	P8B Obsession with Robots constructive algorithms graphs implementation *1400	0 / 0	(无)
	7174	P10E Greedy Change constructive algorithms *2600	0 / 0	(无)
	7173	P11A Increasing Sequence constructive algorithms implementation math *900	0 / 0	(无)
	7164	P12E Start of the season constructive algorithms *2100	0 / 0	(无)
	7156	P14C Four Segments brute force constructive algorithms geometry implementation math *1700	0 / 0	(无)
	7115	P23B Party constructive algorithms graphs math *1600	0 / 0	(无)
	7114	P23C Oranges and Apples constructive algorithms sortings *2500	0 / 0	(无)
	7099	P26C Parquet combinatorics constructive algorithms greedy implementation *2000	0 / 0	(无)
	7097	P26E Multithreading constructive algorithms *2400	0 / 0	(无)
	7094	P27C Unordered Subsequence constructive algorithms greedy *1900	0 / 0	(无)
	7083	P29D Ant on the Tree constructive algorithms dfs and similar trees *2000	0 / 0	(无)
	7077	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	(无)
	7047	P36E Two Paths constructive algorithms dsu graphs implementation *2600	0 / 0	(无)
	7022	P40A Find Color constructive algorithms geometry implementation math *1300	0 / 0	(无)
	7013	P41E 3-cycles constructive algorithms graphs greedy *1900	0 / 0	(无)
	7010	P42C Safe cracking brute force constructive algorithms *2200	0 / 0	(无)
	7009	P42D Strange town constructive algorithms math *2300	0 / 0	(无)
	7004	P43D Journey brute force constructive algorithms implementation *2000	0 / 0	(无)
	6993	P44J Triminoes constructive algorithms greedy *2000	0 / 0	(无)
	6988	P45E Director constructive algorithms greedy *2000	0 / 0	(无)
	6983	P45J Planting Trees constructive algorithms *1800	0 / 0	(无)
	6963	P48H Black and White constructive algorithms *2800	0 / 0	(无)
	6960	P49C Disposition constructive algorithms math *1700	0 / 0	(无)
	6941	P53C Little Frog constructive algorithms *1200	0 / 0	(无)
	6910	P59D Team Arrangement constructive algorithms greedy implementation *2000	0 / 0	(无)
	6890	P63D Dividing Island constructive algorithms *1900	0 / 0	(无)
	6871	P66D Petya and His Friends constructive algorithms math number theory *1700	0 / 0	(无)
	6825	P74E Shift It! constructive algorithms *2800	0 / 0	(无)
	6807	P78B Easter Eggs constructive algorithms implementation *1200	0 / 0	(无)
	6793	P81D Polycarp's Picture Gallery constructive algorithms greedy *2100	0 / 0	(无)
	6790	P82B Sets constructive algorithms hashing implementation *1700	0 / 0	(无)
	6779	P85A Domino constructive algorithms implementation *1300	0 / 0	(无)
	6773	P86B Tetris revisited constructive algorithms graph matchings greedy math *2200	0 / 0	(无)
	6752	P91D Grocer's Problem constructive algorithms graphs greedy *2600	0 / 0	(无)
	6733	P97B Superset constructive algorithms divide and conquer *2300	0 / 0	(无)
	6726	P98D Help Monks constructive algorithms *2500	0 / 0	(无)
	6703	P103C Russian Roulette constructive algorithms greedy *1900	0 / 0	(无)
	6679	P109D Lucky Sorting constructive algorithms sortings *2000	0 / 0	(无)
	6676	P110B Lucky String constructive algorithms strings *1100	0 / 0	(无)
	6648	P118B Present from Lena constructive algorithms implementation *1000	0 / 0	(无)
	6643	P119B Before Exam constructive algorithms implementation sortings *1900	0 / 0	(无)
	6613	P125C Hobbits' Party constructive algorithms greedy *1600	0 / 0	(无)
	6612	P125D Two progressions constructive algorithms greedy *2200	0 / 0	(无)
	6608	P126C E-reader Display constructive algorithms greedy *2000	0 / 0	(无)
	6602	P128B String brute force constructive algorithms hashing implementation string suffix structures strings *2100	0 / 0	(无)
	6600	P128D Numbers constructive algorithms implementation *2000	0 / 0	(无)
	6577	P132D Constants in the language of Shakespeare constructive algorithms dp greedy *2100	0 / 0	(无)
	6571	P134C Swaps constructive algorithms graphs greedy *2200	0 / 0	(无)
	6568	P135C Zero-One constructive algorithms games greedy *1900	0 / 0	(无)
	6543	P141C Queue constructive algorithms greedy sortings *1800	0 / 0	(无)
	6541	P141E Clearing Up constructive algorithms dp dsu graphs *2300	0 / 0	(无)
	6539	P142B Help General constructive algorithms greedy implementation *1800	0 / 0	(无)
	6527	P145B Lucky Number 2 constructive algorithms *1800	0 / 0	(无)
	6519	P148A Insomnia cure constructive algorithms implementation math *800	0 / 0	(无)
	6517	P148C Terse princess constructive algorithms greedy *1700	0 / 0	(无)
	6484	P156B Suspects constructive algorithms data structures implementation *1600	0 / 0	(无)
	6462	P161B Discounts constructive algorithms greedy sortings *1700	0 / 0	(无)
	6419	P171A Mysterious numbers - 1 special problem constructive algorithms 1200	0 / 0	(无)
	6403	P173D Deputies constructive algorithms graphs greedy implementation *2500	0 / 0	(无)
	6390	P176C Playing with Superglue combinatorics constructive algorithms *2000	0 / 0	(无)
	6350	P180F Mathematical Analysis Rocks! constructive algorithms implementation math *1200	0 / 0	(无)
	6342	P183A Headquarters constructive algorithms math *1700	0 / 0	(无)
	6303	P193A Cutting Figure constructive algorithms graphs trees *1700	0 / 0	(无)
	6301	P193C Hamming Distance constructive algorithms greedy math matrices *2400	0 / 0	(无)
	6289	P196C Paint Tree constructive algorithms divide and conquer geometry sortings trees *2200	0 / 0	(无)
	6286	P197A Plate Game constructive algorithms games math *1600	0 / 0	(无)
	6281	P198D Cube Snake constructive algorithms *2700	0 / 0	(无)
	6279	P199A Hexadecimal's theorem brute force constructive algorithms implementation number theory *900	0 / 0	(无)
	6272	P201A Clear Symmetry constructive algorithms dp math *1700	0 / 0	(无)
	6228	P209B Pixels constructive algorithms math *2100	0 / 0	(无)
	6227	P209C Trails and Glades constructive algorithms dsu graphs greedy *2400	0 / 0	(无)
	6218	P213D Stars constructive algorithms geometry *2300	0 / 0	(无)
	6215	P214B Hometask brute force constructive algorithms greedy math *1600	0 / 0	(无)
	6199	P218A Mountain Scenery brute force constructive algorithms implementation *1100	0 / 0	(无)
	6191	P220B Little Elephant and Array constructive algorithms data structures *1800	0 / 0	(无)
	6173	P225A Dice Tower constructive algorithms greedy *1100	0 / 0	(无)
	6165	P226D The table constructive algorithms greedy *2100	0 / 0	(无)
	6148	P231B Magic, Wizardry and Wonders constructive algorithms greedy *1500	0 / 0	(无)
	6144	P232A Cycles binary search constructive algorithms graphs greedy *1600	0 / 0	(无)
	6142	P232C Doe Graphs constructive algorithms divide and conquer dp graphs shortest paths *2600	0 / 0	(无)
	6131	P234G Practice constructive algorithms divide and conquer implementation *1600	0 / 0	(无)
	6130	P234H Merging Two Decks constructive algorithms greedy *2000	0 / 0	(无)
	6117	P238A Not Wool Sequences constructive algorithms math *1300	0 / 0	(无)
	6116	P238B Boring Partition constructive algorithms *1800	0 / 0	(无)
	6102	P241G Challenging Balloons constructive algorithms *1900	0 / 0	(无)
	6086	P245D Restoring Table constructive algorithms greedy *1500	0 / 0	(无)
	6081	P246A Buggy Sorting constructive algorithms greedy sortings *900	0 / 0	(无)
	6079	P246C Beauty Pageant brute force constructive algorithms greedy *1600	0 / 0	(无)
	6052	P254A Cards with Numbers constructive algorithms sortings *1200	0 / 0	(无)
	6026	P260C Balls and Boxes constructive algorithms greedy implementation *1700	0 / 0	(无)
	6025	P260D Black and White Tree constructive algorithms dsu graphs greedy trees *2100	0 / 0	(无)
	6021	P261C Maxim and Matrix constructive algorithms dp math *2000	0 / 0	(无)
	6011	P264A Escape from Stones constructive algorithms data structures implementation two pointers *1200	0 / 0	(无)
	6003	P266B Queue at the School constructive algorithms graph matchings implementation shortest paths *800	0 / 0	(无)
	6002	P266C Below the Diagonal constructive algorithms greedy math *2100	0 / 0	(无)
	5994	P268C Beautiful Sets of Points constructive algorithms implementation *1500	0 / 0	(无)
	5989	P269C Flawed Flow constructive algorithms flows graphs greedy *2100	0 / 0	(无)

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肖飞、关玉蓉、魏银珍、周芬

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