题库 - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7002	P22E Scheme dfs and similar graphs trees *2300	0 / 0	8
	7001	P23A You're Given a String... brute force greedy *1200	0 / 0	4
	7000	P23B Party constructive algorithms graphs math *1600	1 / 1	5
	6999	P23C Oranges and Apples constructive algorithms sortings *2500	0 / 0	9
	6998	P23D Tetragon geometry math *2600	0 / 0	10
	6997	P23E Tree dp *2500	0 / 0	9
	6996	P24A Ring road graphs *1400	0 / 0	4
	6995	P24B F1 Champions implementation *1500	1 / 1	5
	6994	P24C Sequence of points geometry implementation math *1800	0 / 0	6
	6993	P24D Broken robot dp math probabilities *2400	1 / 1	9
	6992	P24E Berland collider binary search *2300	0 / 0	8
	6991	P25A IQ test brute force *1300	2 / 2	4
	6990	P25B Phone numbers implementation *1100	3 / 3	3
	6989	P25C Roads in Berland graphs shortest paths *1900	0 / 1	6
	6988	P25D Roads not only in Berland dsu graphs trees *1900	1 / 3	6
	6987	P25E Test hashing strings *2200	0 / 0	8
	6986	P26A Almost Prime number theory *900	2 / 2	3
	6985	P26B Regular Bracket Sequence greedy *1400	0 / 0	4
	6984	P26C Parquet combinatorics constructive algorithms greedy implementation *2000	0 / 0	7
	6983	P26D Tickets combinatorics math probabilities *2400	0 / 0	9
	6982	P26E Multithreading constructive algorithms *2400	0 / 0	9
	6981	P27A Next Test implementation sortings *1200	5 / 5	4
	6980	P27B Tournament bitmasks brute force dfs and similar greedy *1300	0 / 0	4
	6979	P27C Unordered Subsequence constructive algorithms greedy *1900	0 / 0	6
	6978	P27D Ring Road 2 2-sat dfs and similar dsu graphs *2200	1 / 1	8
	6977	P27E Number With The Given Amount Of Divisors brute force dp number theory *2000	3 / 5	7
	6976	P28A Bender Problem implementation *1600	0 / 0	5
	6975	P28B pSort dfs and similar dsu graphs *1600	3 / 6	5
	6974	P28C Bath Queue combinatorics dp probabilities *2200	0 / 0	8
	6973	P28D Don't fear, DravDe is kind binary search data structures dp hashing *2400	0 / 0	9
	6972	P28E DravDe saves the world geometry math *2800	0 / 0	10
	6971	P29A Spit Problem brute force *1000	1 / 1	3
	6970	P29B Traffic Lights implementation *1500	1 / 1	5
	6969	P29C Mail Stamps data structures dfs and similar graphs implementation *1700	0 / 0	5
	6968	P29D Ant on the Tree constructive algorithms dfs and similar trees *2000	0 / 0	7
	6967	P29E Quarrel graphs shortest paths *2400	0 / 0	9
	6966	P30A Accounting brute force math *1400	0 / 0	4
	6965	P30B Codeforces World Finals implementation *1700	0 / 0	5
	6964	P30C Shooting Gallery dp probabilities *1800	0 / 0	6
	6963	P30D King's Problem? geometry greedy *2600	0 / 0	10
	6962	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	10
	6961	P31A Worms Evolution implementation *1200	0 / 0	4
	6960	P31B Sysadmin Bob greedy implementation strings *1500	1 / 2	5
	6959	P31C Schedule implementation *1700	0 / 0	5
	6958	P31D Chocolate dfs and similar implementation *2000	0 / 0	7
	6957	P31E TV Game dp *2400	0 / 0	9
	6956	P32A Reconnaissance brute force *800	2 / 2	3
	6955	P32B Borze expression parsing implementation *800	3 / 4	3
	6954	P32C Flea math *1700	0 / 0	5
	6953	P32D Constellation implementation *1600	0 / 0	5

根据当前过滤条件随机选择一道题