trees - 题库 - FJNU

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	2313	P1214E Petya and Construction Set constructive algorithms graphs math sortings trees *2000	0 / 0	(无)
	2310	P1214H Tiles Placement constructive algorithms dfs and similar trees *2800	0 / 0	(无)
	2291	P1217F Forced Online Queries Problem data structures divide and conquer dsu graphs trees *2600	0 / 0	(无)
	2275	P1220E Tourism dfs and similar dp dsu graphs greedy trees *2200	0 / 0	(无)
	2261	P1223E Paint the Tree dp sortings trees *2100	0 / 0	(无)
	2252	P1225F Tree Factory constructive algorithms greedy trees *2500	0 / 0	(无)
	2236	P1228F One Node is Gone constructive algorithms implementation trees *2500	0 / 0	(无)
	2204	P1238F The Maximum Subtree dfs and similar dp graphs trees *2200	0 / 0	(无)
	2184	P1244D Paint the Tree brute force constructive algorithms dp graphs implementation trees *1800	0 / 0	(无)
	2177	P1245D Shichikuji and Power Grid dsu graphs greedy shortest paths trees *1900	0 / 0	(无)
	2162	P1249F Maximum Weight Subset dp trees *2200	0 / 0	(无)
	2139	P1252B Cleaning Robots dp trees *2300	0 / 0	(无)
	2137	P1252D Find String in a Grid data structures dp strings trees *3000	0 / 0	(无)
	2135	P1252F Regular Forestation hashing trees *2400	0 / 0	(无)
	2123	P1253F Cheap Robot binary search dsu graphs shortest paths trees *2500	0 / 0	(无)
	2118	P1254D Tree Queries data structures probabilities trees *2700	0 / 0	(无)
	2117	P1254E Send Tree to Charlie combinatorics dfs and similar dsu trees *3300	0 / 0	(无)
	2095	P1260F Colored Tree data structures trees *2700	0 / 0	(无)
	2088	P1263F Economic Difficulties data structures dfs and similar dp flows graphs trees *2400	0 / 0	(无)
	2018	P1276D Tree Elimination dp trees *2900	0 / 0	(无)
	2009	P1278D Segment Tree data structures dsu graphs trees *2100	0 / 0	(无)
	2008	P1278E Tests for problem D constructive algorithms dfs and similar divide and conquer trees *2200	0 / 0	(无)
	1998	P1280C Jeremy Bearimy dfs and similar graphs greedy trees *2000	0 / 0	(无)
	1997	P1280D Miss Punyverse dp greedy trees *2500	0 / 0	(无)
	1981	P1283F DIY Garland constructive algorithms greedy trees *2200	0 / 0	(无)
	1975	P1284F New Year and Social Network data structures graph matchings graphs math trees *3200	0 / 0	(无)
	1970	P1285D Dr bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900	0 / 0	(无)
	1969	P1285E Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers *2300	0 / 0	(无)
	1966	P1286B Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees *1800	0 / 0	(无)
	1941	P1292C Xenon's Attack on the Gangs combinatorics dfs and similar dp greedy trees *2300	0 / 0	(无)
	1940	P1292D Chaotic V. dp graphs greedy math number theory trees *2700	0 / 0	(无)
	1930	P1294F Three Paths on a Tree dfs and similar dp greedy trees *2000	0 / 0	(无)
	1917	P1296F Berland Beauty constructive algorithms dfs and similar greedy sortings trees *2100	0 / 0	(无)
	1912	P1297E Modernization of Treeland *special problem dfs and similar trees	0 / 0	(无)
	1904	P1299D Around the World bitmasks combinatorics dfs and similar dp graphs graphs math trees *3000	0 / 0	(无)
	1878	P1303G Sum of Prefix Sums data structures divide and conquer geometry trees *2700	0 / 0	(无)
	1873	P1304E 1-Trees and Queries data structures dfs and similar shortest paths trees *2000	0 / 0	(无)
	1867	P1305D Kuroni and the Celebration constructive algorithms dfs and similar interactive trees *1900	0 / 0	(无)
	1857	P1307F Cow and Vacation dfs and similar dsu trees *3300	0 / 0	(无)
	1845	P1311E Construct the Binary Tree brute force constructive algorithms trees *2200	0 / 0	(无)
	1817	P1320E Treeland and Viruses data structures dfs and similar dp shortest paths trees *3000	0 / 0	(无)
	1808	P1322F Assigning Fares dp trees *3500	0 / 0	(无)
	1800	P1324F Maximum White Subtree dfs and similar dp graphs trees *1800	0 / 0	(无)
	1797	P1325C Ehab and Path-etic MEXs constructive algorithms dfs and similar greedy trees *1500	0 / 0	(无)
	1785	P1326G Spiderweb Trees dp geometry trees *3500	0 / 0	(无)
	1773	P1328E Tree Queries dfs and similar graphs trees *1900	0 / 0	(无)
	1751	P1332F Independent Set dfs and similar dp trees *2500	0 / 0	(无)
	1729	P1336A Linova and Kingdom dfs and similar dp greedy sortings trees *1600	0 / 0	(无)
	1723	P1336F Journey data structures divide and conquer graphs trees *3500	0 / 0	(无)
	1719	P1338B Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees *1800	0 / 0	(无)
	1717	P1338D Nested Rubber Bands constructive algorithms dfs and similar dp math trees *2700	0 / 0	(无)
	1710	P1340D Nastya and Time Machine constructive algorithms dfs and similar graphs trees *2600	0 / 0	(无)
	1689	P1344E Train Tracks data structures trees *3100	0 / 0	(无)
	1580	P1361D Johnny and James greedy implementation math trees *2900	0 / 0	(无)
	1579	P1361E James and the Chase dfs and similar graphs probabilities trees *3000	0 / 0	(无)
	1572	P1363C Game On Leaves games trees *1600	0 / 0	(无)
	1570	P1363E Tree Shuffling dfs and similar dp greedy trees *2000	0 / 0	(无)
	1565	P1364D Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees *2100	0 / 0	(无)
	1536	P1368G Shifting Dominoes data structures geometry graphs trees *3200	0 / 0	(无)
	1530	P1369D TediousLee dp graphs greedy math trees *1900	0 / 0	(无)
	1522	P1370F1 The Hidden Pair (Easy Version) binary search dfs and similar graphs interactive shortest paths trees *2400	0 / 0	(无)
	1521	P1370F2 The Hidden Pair (Hard Version) binary search dfs and similar graphs interactive shortest paths trees *2700	0 / 0	(无)
	1487	P1375G Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees *2800	0 / 0	(无)
	1480	P1379E Inverse Genealogy constructive algorithms divide and conquer dp math trees *2800	0 / 0	(无)
	1473	P1380E Merging Towers data structures dsu implementation trees *2300	0 / 0	(无)
	1466	P1381D The Majestic Brown Tree Snake dfs and similar dp greedy trees two pointers *3000	0 / 0	(无)
	1462	P1383A String Transformation 1 dsu graphs greedy sortings strings trees two pointers *1700	0 / 0	(无)
	1460	P1383C String Transformation 2 bitmasks dp graphs trees *3100	0 / 0	(无)
	1448	P1385F Removing Leaves data structures greedy implementation trees *2300	0 / 0	(无)
	1442	P1387B1 Village (Minimum) special problem dp greedy trees 2100	0 / 0	(无)
	1441	P1387B2 Village (Maximum) special problem dfs and similar trees 2500	0 / 0	(无)
	1437	P1388C Uncle Bogdan and Country Happiness dfs and similar greedy math trees *1800	0 / 0	(无)
	1436	P1388D Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees *2000	0 / 0	(无)
	1428	P1389G Directing Edges dfs and similar dp graphs trees *2800	0 / 0	(无)
	1423	P1391E Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees *2600	0 / 0	(无)
	1404	P1394D Boboniu and Jianghu dp greedy sortings trees *2800	0 / 0	(无)
	1395	P1396E Distance Matching constructive algorithms dfs and similar trees *3200	0 / 0	(无)
	1381	P1399E1 Weights Division (easy version) data structures dfs and similar greedy trees *2000	0 / 0	(无)
	1380	P1399E2 Weights Division (hard version) binary search dfs and similar greedy sortings trees two pointers *2200	0 / 0	(无)
	1368	P1401D Maximum Distributed Tree dfs and similar dp greedy implementation math number theory sortings trees *1800	0 / 0	(无)
	1363	P1402C Star Trek special problem combinatorics dfs and similar dp games graphs matrices trees 2600	0 / 0	(无)
	1361	P1403B Spring cleaning special problem data structures dfs and similar graphs trees 2300	0 / 0	(无)
	1358	P1404B Tree Tag dfs and similar dp games trees *1900	0 / 0	(无)
	1350	P1406C Link Cut Centroids constructive algorithms dfs and similar graphs trees *1700	0 / 0	(无)
	1338	P1408E Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees *2400	0 / 0	(无)
	1336	P1408G Clusterization Counting combinatorics dp dsu fft graphs trees *2700	0 / 0	(无)
	1315	P1413F Roads and Ramen data structures trees *2800	0 / 0	(无)
	1306	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	(无)
	1305	P1416D Graph and Queries data structures dsu graphs implementation trees *2600	0 / 0	(无)
	1267	P1423C Dušan's Railway divide and conquer graphs trees *3500	0 / 0	(无)
	1234	P1427F Boring Card Game data structures greedy trees *3200	0 / 0	(无)
	1194	P1436D Bandit in a City binary search dfs and similar graphs greedy trees *1900	0 / 0	(无)
	1188	P1437D Minimal Height Tree graphs greedy shortest paths trees *1600	0 / 0	(无)
	1185	P1437G Death DBMS data structures string suffix structures strings trees *2600	0 / 0	(无)
	1179	P1438F Olha and Igor interactive probabilities trees *3000	0 / 0	(无)
	1173	P1439E Cheat and Win bitmasks data structures games trees *3500	0 / 0	(无)
	1166	P1442E Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees *3000	0 / 0	(无)
	1156	P1444E Finding the Vertex brute force dfs and similar dp interactive trees *3500	0 / 0	(无)
	1151	P1446C Xor Tree binary search bitmasks data structures divide and conquer dp trees *2100	0 / 0	(无)
	1137	P1450G Communism bitmasks dp trees *3500	0 / 0	(无)

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