题库 - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7989	P1694B Paranoid String constructive algorithms greedy *1200	0 / 0	(无)
	7988	P1695A Subrectangle Guess games *800	2 / 2	10
	7987	P1695B Circle Game games greedy *1000	0 / 4	10
	7986	P1695C Zero Path brute force data structures dp graphs greedy shortest paths *1700	0 / 0	(无)
	7985	P1695D1 Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees *2200	0 / 0	(无)
	7984	P1695D2 Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees *2300	0 / 0	(无)
	7983	P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs *2700	0 / 0	(无)
	8004	P1696A NIT orz! bitmasks greedy *800	0 / 0	(无)
	8003	P1696B NIT Destroys the Universe greedy *900	0 / 0	(无)
	8002	P1696C Fishingprince Plays With Array constructive algorithms greedy implementation *1400	0 / 0	(无)
	8001	P1696D Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths *1900	0 / 0	(无)
	8000	P1696E Placing Jinas combinatorics math *2000	0 / 0	(无)
	7999	P1696F Tree Recovery brute force constructive algorithms dfs and similar graphs trees *2600	0 / 0	(无)
	7998	P1696G Fishingprince Plays With Array Again brute force data structures geometry math *3300	0 / 0	(无)
	7997	P1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers *3500	0 / 0	(无)
	7963	P1697A Parkway Walk greedy implementation	1 / 1	10
	7962	P1697B Promo greedy sortings	1 / 1	10
	7961	P1697C awoo's Favorite Problem constructive algorithms data structures dp greedy implementation strings two pointers	0 / 0	(无)
	7960	P1697D Guess The String binary search constructive algorithms data structures dfs and similar dsu interactive strings	0 / 0	(无)
	7959	P1697E Coloring brute force combinatorics constructive algorithms dfs and similar dp dsu geometry graphs greedy implementation math	0 / 0	(无)
	7958	P1697F Too Many Constraints 2-sat graphs	0 / 0	(无)
	8011	P1698A XOR Mixup bitmasks brute force	1 / 1	10
	8010	P1698B Rising Sand constructive algorithms greedy implementation	1 / 2	10
	8009	P1698C 3SUM Closure brute force data structures	1 / 1	10
	8008	P1698D Fixed Point Guessing binary search constructive algorithms interactive	1 / 1	10
	8007	P1698E PermutationForces II brute force combinatorics constructive algorithms data structures greedy sortings two pointers	0 / 0	(无)
	8006	P1698F Equal Reversal constructive algorithms graphs implementation math	0 / 0	(无)
	8005	P1698G Long Binary String math meet-in-the-middle number theory	0 / 0	(无)
	8016	P1699A The Third Three Number Problem constructive algorithms math	1 / 1	10
	8015	P1699B Almost Ternary Matrix 2-sat bitmasks constructive algorithms matrices	0 / 0	(无)
	8014	P1699C The Third Problem combinatorics math schedules two pointers	0 / 0	(无)
	8013	P1699D Almost Triple Deletions brute force data structures dp greedy implementation two pointers	0 / 0	(无)
	8012	P1699E Three Days Grace dp math two pointers	1 / 1	10
	7982	P1700A Optimal Path constructive algorithms greedy math *800	0 / 0	(无)
	7981	P1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	(无)
	7980	P1700C Helping the Nature constructive algorithms data structures greedy *1700	0 / 0	(无)
	7979	P1700D River Locks binary search dp greedy math *1900	0 / 1	10
	7978	P1700E Serega the Pirate brute force constructive algorithms divide and conquer *2600	0 / 0	(无)
	7977	P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	(无)
	8022	P1701A Grass Field implementation	1 / 1	10
	8021	P1701B Permutation greedy	0 / 1	10
	8020	P1701C Schedule Management binary search greedy	0 / 0	(无)
	8019	P1701D Permutation Restoration binary search data structures greedy math sortings	0 / 0	(无)
	8018	P1701E Text Editor dp greedy	0 / 0	(无)
	8017	P1701F Points combinatorics data structures matrices	0 / 0	(无)
	8030	P1702A Round Down the Price constructive algorithms *800	1 / 1	3
	8029	P1702B Polycarp Writes a String from Memory greedy *800	0 / 0	3
	8028	P1702C Train and Queries data structures greedy *1100	0 / 0	3
	8027	P1702D Not a Cheap String greedy *1000	0 / 0	3
	8026	P1702E Split Into Two Sets dfs and similar graphs *1600	0 / 0	5

根据当前过滤条件随机选择一道题