two pointers - 题库 - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	879	codeforces#P1374E2 Reading Books (hard version) data structures greedy implementation sortings ternary search two pointers *2500	0 / 0	9
	866	codeforces#P1379C Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers *2000	0 / 0	7
	864	codeforces#P1379D New Passenger Trams binary search brute force data structures sortings two pointers *2300	0 / 0	8
	858	codeforces#P1380D Berserk And Fireball constructive algorithms greedy implementation math two pointers *2000	0 / 0	7
	852	codeforces#P1381A2 Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers *1700	1 / 1	5
	851	codeforces#P1381C Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers *2500	0 / 0	9
	850	codeforces#P1381D The Majestic Brown Tree Snake dfs and similar dp greedy trees two pointers *3000	0 / 0	10
	846	codeforces#P1383A String Transformation 1 dsu graphs greedy sortings strings trees two pointers *1700	0 / 0	5
	816	codeforces#P1389C Good String brute force dp greedy two pointers *1500	0 / 0	5
	792	codeforces#P1393E2 Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers *3200	0 / 0	10
	791	codeforces#P1394A Boboniu Chats with Du dp greedy sortings two pointers *1800	0 / 0	6
	780	codeforces#P1396D Rainbow Rectangles data structures sortings two pointers *3300	0 / 4	10
	771	codeforces#P1398F Controversial Rounds binary search data structures dp greedy two pointers *2500	0 / 0	9
	767	codeforces#P1399C Boats Competition brute force greedy two pointers *1200	0 / 0	4
	764	codeforces#P1399E2 Weights Division (hard version) binary search dfs and similar greedy sortings trees two pointers *2200	0 / 0	8
	759	codeforces#P1400D Zigzags brute force combinatorics data structures math two pointers *1900	1 / 1	6
	756	codeforces#P1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	10
	746	codeforces#P1403A The Potion of Great Power special problem 2-sat binary search data structures graphs interactive sortings two pointers 2400	0 / 0	9
	741	codeforces#P1404C Fixed Point Removal binary search constructive algorithms data structures greedy two pointers *2300	0 / 0	8
	729	codeforces#P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	5
	724	codeforces#P1408C Discrete Acceleration binary search dp implementation math two pointers *1500	0 / 0	5
	723	codeforces#P1408D Searchlights binary search brute force data structures dp implementation sortings two pointers *2000	0 / 0	7
	713	codeforces#P1409E Two Platforms binary search dp sortings two pointers *1800	0 / 0	6
	702	codeforces#P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	6
	692	codeforces#P1416A k-Amazing Numbers binary search data structures implementation two pointers *1500	0 / 0	5
	679	codeforces#P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	10
	678	codeforces#P1418G Three Occurrences data structures divide and conquer hashing two pointers *2500	0 / 0	9
	673	codeforces#P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	5
	643	codeforces#P1423K Lonely Numbers binary search math number theory two pointers *1600	0 / 0	5
	609	codeforces#P1428F Fruit Sequences binary search data structures divide and conquer dp two pointers *2400	0 / 0	9
	603	codeforces#P1430D String Deletion binary search data structures greedy two pointers *1700	0 / 0	5
	597	codeforces#P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	4
	592	codeforces#P1431H Rogue-like Game special problem brute force greedy two pointers 2600	0 / 0	10
	577	codeforces#P1436E Complicated Computations binary search data structures two pointers *2400	0 / 0	9
	569	codeforces#P1437F Emotional Fishermen combinatorics dp math two pointers *2600	2 / 2	10
	564	codeforces#P1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	9
	545	codeforces#P1443E Long Permutation brute force math two pointers *2400	0 / 0	9
	533	codeforces#P1446D2 Frequency Problem (Hard Version) data structures greedy two pointers *3000	2 / 4	10
	524	codeforces#P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	6
	507	codeforces#P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	9
	493	codeforces#P1454F Array Partition binary search data structures greedy two pointers *2100	0 / 0	7
	470	codeforces#P1462A Favorite Sequence implementation two pointers *800	1 / 1	3
	465	codeforces#P1462E1 Close Tuples (easy version) binary search combinatorics math sortings two pointers *1500	0 / 0	5
	466	codeforces#P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	5
	460	codeforces#P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	6
	426	codeforces#P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	5
	424	codeforces#P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	9
	422	codeforces#P1470A Strange Birthday Party binary search dp greedy sortings two pointers *1300	0 / 0	4
	419	codeforces#P1470E Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers *3200	0 / 1	10
	410	codeforces#P1472E Correct Placement binary search data structures dp sortings two pointers *1700	0 / 0	5

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