	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1919	P1200D White Lines brute force data structures dp implementation two pointers *1900	0 / 0	(无)
	1882	P1203D2 Remove the Substring (hard version) binary search greedy implementation two pointers *1700	0 / 0	(无)
	1853	P1208B Uniqueness binary search brute force implementation two pointers *1500	0 / 0	(无)
	1839	P1209G1 Into Blocks (easy version) data structures dsu greedy implementation two pointers *2000	0 / 0	(无)
	1756	P1223D Sequence Sorting dp greedy two pointers *2000	0 / 0	(无)
	1750	P1225B2 TV Subscriptions (Hard Version) implementation two pointers *1300	0 / 0	(无)
	1711	P1237B Balanced Tunnel data structures sortings two pointers *1300	0 / 0	(无)
	1677	P1244E Minimizing Difference binary search constructive algorithms greedy sortings ternary search two pointers *2000	0 / 0	(无)
	1649	P1250G Discarding Game dp greedy two pointers *2300	0 / 0	(无)
	1641	P1251A Broken Keyboard brute force strings two pointers *1000	0 / 0	(无)
	1639	P1251C Minimize The Integer greedy two pointers *1600	0 / 0	(无)
	1630	P1252E Songwriter greedy two pointers *2200	0 / 0	(无)
	1615	P1254B1 Send Boxes to Alice (Easy Version) constructive algorithms greedy math number theory ternary search two pointers *1800	0 / 0	(无)
	1614	P1254B2 Send Boxes to Alice (Hard Version) constructive algorithms greedy math number theory ternary search two pointers *2100	0 / 0	(无)
	1599	P1257C Dominated Subarray greedy implementation sortings strings two pointers *1200	0 / 0	(无)
	1598	P1257D Yet Another Monster Killing Problem binary search data structures dp greedy sortings two pointers *1700	0 / 0	(无)
	1573	P1265B Beautiful Numbers data structures implementation math two pointers *1300	0 / 0	(无)
	1568	P1266D Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers *2000	0 / 0	(无)
	1524	P1272F Two Bracket Sequences dp strings two pointers *2200	0 / 0	(无)
	1483	P1282C Petya and Exam greedy sortings two pointers *1800	0 / 0	(无)
	1463	P1285E Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers *2300	0 / 0	(无)
	1445	P1290B Irreducible Anagrams binary search constructive algorithms data structures strings two pointers *1800	0 / 0	(无)
	1369	P1304C Air Conditioner dp greedy implementation sortings two pointers *1500	0 / 0	(无)
	1368	P1304D Shortest and Longest LIS constructive algorithms graphs greedy two pointers *1800	0 / 0	(无)
	1363	P1305B Kuroni and Simple Strings constructive algorithms greedy strings two pointers *1200	0 / 0	(无)
	1332	P1312F Attack on Red Kingdom games two pointers *2500	0 / 0	(无)
	1325	P1313E Concatenation with intersection data structures hashing strings two pointers *2700	0 / 0	(无)
	1296	P1324D Pair of Topics binary search data structures sortings two pointers *1400	0 / 0	(无)
	1282	P1326E Bombs data structures two pointers *2400	0 / 0	(无)
	1273	P1327F AND Segments bitmasks combinatorics data structures dp two pointers *2500	0 / 0	(无)
	1241	P1333C Eugene and an array binary search data structures implementation two pointers *1700	0 / 0	(无)
	1238	P1333F Kate and imperfection greedy implementation math number theory sortings two pointers *2200	0 / 0	(无)
	1226	P1335E1 Three Blocks Palindrome (easy version) binary search brute force data structures dp two pointers *1700	0 / 0	(无)
	1225	P1335E2 Three Blocks Palindrome (hard version) brute force data structures dp two pointers *1800	0 / 0	(无)
	1222	P1336B Xenia and Colorful Gems binary search greedy math sortings two pointers *1700	0 / 0	(无)
	1196	P1342D Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers *1900	0 / 0	(无)
	1191	P1343C Alternating Subsequence dp greedy two pointers *1200	0 / 0	(无)
	1190	P1343D Constant Palindrome Sum brute force data structures greedy two pointers *1700	0 / 0	(无)
	1148	P1352E Special Elements brute force implementation two pointers *1500	0 / 0	(无)
	1138	P1354B Ternary String binary search dp implementation two pointers *1200	0 / 0	(无)
	1129	P1355C Count Triangles binary search implementation math two pointers *1800	0 / 0	(无)
	1094	P1358D The Best Vacation binary search brute force greedy implementation two pointers *1900	0 / 0	(无)
	1090	P1359B New Theatre Square brute force dp greedy implementation two pointers *1000	0 / 0	(无)
	1088	P1359D Yet Another Yet Another Task data structures dp implementation two pointers *2000	0 / 0	(无)
	1062	P1364A XXXXX brute force data structures number theory two pointers *1200	0 / 0	(无)
	1061	P1364B Most socially-distanced subsequence greedy two pointers *1300	0 / 0	(无)
	1049	P1366B Shuffle math two pointers *1300	0 / 0	(无)
	1046	P1366E Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers *2100	0 / 0	(无)
	1038	P1367F1 Flying Sort (Easy Version) dp greedy two pointers *2100	0 / 0	(无)
	1037	P1367F2 Flying Sort (Hard Version) binary search data structures dp greedy sortings two pointers *2400	0 / 0	(无)
	1025	P1369C RationalLee greedy math sortings two pointers *1400	0 / 0	(无)
	1003	P1372E Omkar and Last Floor dp greedy two pointers *2900	0 / 0	(无)
	991	P1374D Zero Remainder Array math sortings two pointers *1400	0 / 0	(无)
	989	P1374E2 Reading Books (hard version) data structures greedy implementation sortings ternary search two pointers *2500	0 / 0	(无)
	976	P1379C Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers *2000	0 / 0	(无)
	975	P1379D New Passenger Trams binary search brute force data structures sortings two pointers *2300	0 / 0	(无)
	968	P1380D Berserk And Fireball constructive algorithms greedy implementation math two pointers *2000	0 / 0	(无)
	963	P1381A2 Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers *1700	0 / 0	(无)
	961	P1381C Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers *2500	0 / 0	(无)
	960	P1381D The Majestic Brown Tree Snake dfs and similar dp greedy trees two pointers *3000	0 / 0	(无)
	956	P1383A String Transformation 1 dsu graphs greedy sortings strings trees two pointers *1700	0 / 0	(无)
	926	P1389C Good String brute force dp greedy two pointers *1500	0 / 0	(无)
	902	P1393E2 Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers *3200	0 / 0	(无)
	901	P1394A Boboniu Chats with Du dp greedy sortings two pointers *1800	0 / 0	(无)
	890	P1396D Rainbow Rectangles data structures sortings two pointers *3300	0 / 0	(无)
	881	P1398F Controversial Rounds binary search data structures dp greedy two pointers *2500	0 / 0	(无)
	877	P1399C Boats Competition brute force greedy two pointers *1200	0 / 0	(无)
	874	P1399E2 Weights Division (hard version) binary search dfs and similar greedy sortings trees two pointers *2200	0 / 0	(无)
	869	P1400D Zigzags brute force combinatorics data structures math two pointers *1900	0 / 0	(无)
	866	P1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	(无)
	856	P1403A The Potion of Great Power special problem 2-sat binary search data structures graphs interactive sortings two pointers 2400	0 / 0	(无)
	851	P1404C Fixed Point Removal binary search constructive algorithms data structures greedy two pointers *2300	0 / 0	(无)
	839	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	(无)
	834	P1408C Discrete Acceleration binary search dp implementation math two pointers *1500	0 / 0	(无)
	833	P1408D Searchlights binary search brute force data structures dp implementation sortings two pointers *2000	0 / 0	(无)
	823	P1409E Two Platforms binary search dp sortings two pointers *1800	0 / 0	(无)
	812	P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	(无)
	802	P1416A k-Amazing Numbers binary search data structures implementation two pointers *1500	0 / 0	(无)
	789	P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	(无)
	788	P1418G Three Occurrences data structures divide and conquer hashing two pointers *2500	0 / 0	(无)
	783	P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	(无)
	753	P1423K Lonely Numbers binary search math number theory two pointers *1600	0 / 0	(无)
	720	P1428F Fruit Sequences binary search data structures divide and conquer dp two pointers *2400	0 / 0	(无)
	713	P1430D String Deletion binary search data structures greedy two pointers *1700	0 / 0	(无)
	708	P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	(无)
	702	P1431H Rogue-like Game special problem brute force greedy two pointers 2600	0 / 0	(无)
	687	P1436E Complicated Computations binary search data structures two pointers *2400	0 / 0	(无)
	680	P1437F Emotional Fishermen combinatorics dp math two pointers *2600	0 / 0	(无)
	674	P1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	(无)
	655	P1443E Long Permutation brute force math two pointers *2400	0 / 0	(无)
	643	P1446D2 Frequency Problem (Hard Version) data structures greedy two pointers *3000	0 / 0	(无)
	634	P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	(无)
	617	P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	(无)
	603	P1454F Array Partition binary search data structures greedy two pointers *2100	0 / 0	(无)
	580	P1462A Favorite Sequence implementation two pointers *800	0 / 0	(无)
	576	P1462E1 Close Tuples (easy version) binary search combinatorics math sortings two pointers *1500	0 / 0	(无)
	575	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	(无)
	570	P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	(无)
	536	P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	(无)
	534	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

状态

支持

开发与维护

杨旭龙、王树淳、王国斌、宋文宇、朱天伦

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

Worker 0, 114ms
Powered by Hydro v4.13.4
Modified by HGNU ACM TEAM (Repo Link)