题库 - graphs - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7072	P8B Obsession with Robots constructive algorithms graphs implementation *1400	1 / 2	4
	7069	P8E Beads dp graphs *2600	0 / 0	10
	7064	P9E Interesting Graph and Apples dfs and similar dsu graphs *2300	0 / 0	8
	7055	P11D A Simple Task bitmasks dp graphs *2200	1 / 5	8
	7040	P14D Two Paths dfs and similar dp graphs shortest paths trees two pointers *1900	1 / 1	6
	7011	P20C Dijkstra? graphs shortest paths *1900	1 / 7	6
	7007	P21D Traveling Graph bitmasks graph matchings graphs *2400	0 / 0	9
	7004	P22C System Administrator graphs *1700	0 / 2	5
	7002	P22E Scheme dfs and similar graphs trees *2300	0 / 0	8
	7000	P23B Party constructive algorithms graphs math *1600	1 / 1	5
	6996	P24A Ring road graphs *1400	0 / 0	4
	6989	P25C Roads in Berland graphs shortest paths *1900	0 / 1	6
	6988	P25D Roads not only in Berland dsu graphs trees *1900	1 / 3	6
	6978	P27D Ring Road 2 2-sat dfs and similar dsu graphs *2200	1 / 1	8
	6975	P28B pSort dfs and similar dsu graphs *1600	3 / 6	5
	6969	P29C Mail Stamps data structures dfs and similar graphs implementation *1700	0 / 0	5
	6967	P29E Quarrel graphs shortest paths *2400	0 / 0	9
	6948	P33D Knights geometry graphs shortest paths sortings *2000	0 / 0	7
	6943	P34D Road Map dfs and similar graphs *1600	0 / 0	5
	6932	P36E Two Paths constructive algorithms dsu graphs implementation *2600	1 / 3	10
	6927	P37E Trial for Chief graphs greedy shortest paths *2600	0 / 0	10
	6898	P41E 3-cycles constructive algorithms graphs greedy *1900	0 / 0	6
	6893	P42E Baldman and the military dfs and similar graphs trees *2700	0 / 0	10
	6882	P44F BerPaint geometry graphs *2700	0 / 0	10
	6870	P45H Road Problem graphs *2100	0 / 0	7
	6863	P46F Hercule Poirot Problem dsu graphs *2300	0 / 0	8
	6853	P48E Ivan the Fool VS Gorynych the Dragon dp games graphs *2100	0 / 0	7
	6835	P51E Pentagon combinatorics graphs matrices *2400	0 / 0	9
	6834	P51F Caterpillar dfs and similar dp graphs trees *2800	0 / 0	10
	6796	P59E Shortest Path graphs shortest paths *2000	0 / 0	7
	6787	P61D Eternal Victory dfs and similar graphs greedy shortest paths trees *1800	0 / 0	6
	6782	P62D Wormhouse dfs and similar graphs *2300	0 / 0	8
	6765	P67A Partial Teacher dp graphs greedy implementation *1800	0 / 0	6
	6737	P73D FreeDiv dfs and similar graphs greedy *2200	0 / 0	8
	6732	P74C Chessboard Billiard dfs and similar dsu graphs number theory *2100	0 / 0	7
	6724	P76A Gift dsu graphs sortings trees *2200	0 / 0	8
	6709	P78E Evacuation flows graphs shortest paths *2300	0 / 0	8
	6697	P81E Pairs dfs and similar dp dsu graphs implementation trees *2700	0 / 0	10
	6689	P83C Track graphs greedy shortest paths *2400	0 / 0	9
	6680	P85E Guard Towers binary search dsu geometry graphs sortings *2600	0 / 0	10
	6671	P87D Beautiful Road dfs and similar dp dsu graphs implementation sortings trees *2300	0 / 0	8
	6666	P89B Widget Library dp expression parsing graphs implementation *2300	0 / 0	8
	6658	P91C Ski Base combinatorics dsu graphs *2300	0 / 0	8
	6657	P91D Grocer's Problem constructive algorithms graphs greedy *2600	0 / 0	10
	6647	P94B Friends graphs implementation math *1300	0 / 0	4
	6642	P95E Lucky Country dp dsu graphs *2500	0 / 0	9
	6637	P97C Winning Strategy binary search graphs math shortest paths *2400	0 / 0	9
	6635	P97E Leaders dfs and similar dsu graphs trees *2200	0 / 0	8
	6619	P103B Cthulhu dfs and similar dsu graphs *1500	0 / 0	5
	6604	P107A Dorm Water Supply dfs and similar graphs *1400	0 / 0	4

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