graphs - 题库 - CZOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1766	P1477D Nezzar and Hidden Permutations constructive algorithms dfs and similar graphs *2800	0 / 0	10
	1749	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	NOI/NOI+/CTSC
	1741	P1482F Useful Edges graphs shortest paths *2400	0 / 0	9
	1735	P1485D Multiples and Power Differences constructive algorithms graphs math number theory *2200	0 / 0	8
	1727	P1486E Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths *2200	0 / 0	8
	1723	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	提高+/省选-
	1721	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	NOI/NOI+/CTSC
	1695	P1491G Switch and Flip constructive algorithms graphs math *2800	0 / 0	10
	1677	P1494E A-Z Graph constructive algorithms data structures graphs hashing *2400	0 / 0	9
	1676	P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	10
	1673	P1495C Garden of the Sun constructive algorithms graphs *2300	0 / 0	8
	1672	P1495D BFS Trees combinatorics dfs and similar graphs math shortest paths trees *2600	0 / 0	10
	1670	P1495F Squares constructive algorithms data structures dp graphs trees *3300	0 / 0	10
	1663	P1497D Genius bitmasks dp graphs number theory *2500	0 / 0	9
	1657	P1498D Bananas in a Microwave dfs and similar dp graphs implementation *2200	0 / 0	8
	1656	P1498E Two Houses brute force graphs greedy interactive sortings *2200	0 / 0	8
	1648	P1499G Graph Coloring data structures graphs interactive *3100	0 / 0	10
	1634	P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	10
	1617	P1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	0 / 0	NOI/NOI+/CTSC
	1613	P1508C Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees *2500	0 / 0	9
	1605	P1510B Button Lock flows graph matchings graphs *2600	0 / 0	10
	1604	P1510C Cactus Not Enough dfs and similar graph matchings graphs *2900	0 / 0	10
	1596	P1510K King's Task brute force graphs implementation *1200	0 / 0	普及+/提高
	1592	P1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	提高+/省选-
	1578	P1513D GCD and MST constructive algorithms dsu graphs greedy number theory sortings *2000	0 / 0	NOI/NOI+/CTSC
	1571	P1514E Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers *2700	0 / 0	10
	1565	P1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	10
	1564	P1515G Phoenix and Odometers dfs and similar graphs math number theory *2700	0 / 0	10
	1558	P1516D Cut binary search data structures dp graphs number theory two pointers *2100	0 / 0	NOI/NOI+/CTSC
	1553	P1517D Explorer Space dp graphs shortest paths *1800	0 / 0	省选/NOI-
	1550	P1517G Starry Night Camping constructive algorithms flows graphs *3300	0 / 0	10
	1544	P1519E Off by One constructive algorithms dfs and similar geometry graphs sortings trees *2700	0 / 0	10
	1535	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	8
	1499	P1528D It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms graphs shortest paths *2500	0 / 0	9
	1491	P1530D Secret Santa constructive algorithms flows graphs greedy math *1600	0 / 0	提高+/省选-
	1474	P1533G Biome Map *special problem constructive algorithms dfs and similar graphs	0 / 0	暂无评定
	1472	P1533I Excursions *special problem constructive algorithms dfs and similar flows graph matchings graphs	0 / 0	暂无评定
	1468	P1534C Little Alawn's Puzzle combinatorics dp dsu graphs math *1300	0 / 0	普及+/提高
	1466	P1534E Lost Array graphs greedy interactive shortest paths *2300	0 / 0	8
	1465	P1534F1 Falling Sand (Easy Version) dfs and similar graphs greedy *2500	0 / 0	9
	1464	P1534F2 Falling Sand (Hard Version) dfs and similar dp graphs greedy *3000	0 / 0	10
	1462	P1534H Lost Nodes constructive algorithms dp graphs interactive sortings trees *3500	0 / 0	10
	1451	P1536E Omkar and Forest combinatorics graphs math shortest paths *2300	0 / 0	8
	1443	P1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	8
	1429	P1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	普及+/提高
	1428	P1540B Tree Array brute force combinatorics dp graphs math probabilities trees *2300	0 / 0	8
	1410	P1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	10
	1407	P1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	10
	1394	P1547G How Many Paths? dfs and similar dp graphs trees *2100	0 / 0	NOI/NOI+/CTSC
	1393	P1548A Web of Lies brute force graphs greedy *1400	0 / 0	普及+/提高

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