graphs - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	8631	P237E Build String flows graphs *2000	0 / 0	7
	8626	P238E Meeting Her dp graphs shortest paths *2600	0 / 0	10
	8623	P240E Road Repairs dfs and similar graphs greedy *2800	0 / 0	10
	8617	P241E Flights graphs shortest paths *2600	0 / 0	10
	8612	P242C King's Path dfs and similar graphs hashing shortest paths *1800	0 / 0	6
	8611	P242D Dispute dfs and similar graphs greedy *2100	0 / 0	7
	8608	P243B Hydra graphs sortings *2000	0 / 0	7
	8596	P245G Suggested Friends brute force graphs *2200	0 / 0	8
	8591	P246D Colorful Graph brute force dfs and similar graphs *1600	0 / 0	5
	8568	P253C Text Editor data structures dfs and similar graphs greedy shortest paths *1600	0 / 0	5
	8562	P254D Rats brute force dfs and similar graphs implementation shortest paths *2300	0 / 0	8
	8538	P260D Black and White Tree constructive algorithms dsu graphs greedy trees *2100	0 / 0	7
	8526	P263D Cycle in Graph dfs and similar graphs *1800	0 / 0	6
	8514	P266D BerDonalds graphs math shortest paths *2400	0 / 0	9
	8511	P267B Dominoes dfs and similar graphs *2000	0 / 0	7
	8502	P269C Flawed Flow constructive algorithms flows graphs greedy *2100	0 / 0	7
	8501	P269D Maximum Waterfall data structures dp graphs sortings *2600	0 / 0	10
	8488	P272E Dima and Horses combinatorics constructive algorithms graphs *2200	0 / 0	8
	8482	P274D Lovely Matrix dfs and similar graphs greedy sortings *2200	0 / 0	8
	8474	P276E Little Girl and Problem on Trees data structures graphs trees *2100	1 / 1	7
	8458	P280D k-Maximum Subsequence Sum data structures flows graphs implementation *2800	0 / 0	10
	8448	P283B Cow Program dfs and similar dp graphs *1700	0 / 0	5
	8418	P290F Greedy Petya special problem dfs and similar graphs greedy 2800	0 / 0	10
	8411	P292B Network Topology graphs implementation *1200	0 / 0	4
	8396	P295B Greg and Graph dp graphs shortest paths *1700	0 / 0	5
	8395	P295C Greg and Friends combinatorics dp graphs shortest paths *2100	0 / 0	7
	8380	P300B Coach brute force dfs and similar graphs *1500	0 / 0	5
	8375	P301B Yaroslav and Time binary search graphs shortest paths *2100	0 / 0	7
	8367	P303C Minimum Modular brute force graphs math number theory *2400	0 / 0	9
	8346	P311C Fetch the Treasure brute force data structures graphs shortest paths *2500	0 / 0	9
	8309	P317C Balance constructive algorithms dfs and similar graphs trees *2500	0 / 0	9
	8298	P320B Ping-Pong (Easy Version) dfs and similar graphs *1500	0 / 0	5
	8289	P323B Tournament-graph constructive algorithms graphs *2200	0 / 0	8
	8285	P325C Monsters and Diamonds dfs and similar graphs shortest paths *2600	0 / 0	10
	8283	P325E The Red Button combinatorics dfs and similar dsu graphs greedy *2800	0 / 0	10
	8279	P327D Block Tower constructive algorithms dfs and similar graphs *1900	0 / 0	6
	8269	P330B Road Construction constructive algorithms graphs *1300	0 / 0	4
	8260	P331D2 Escaping on Beaveractor graphs *2600	0 / 0	10
	8258	P331E1 Deja Vu constructive algorithms graphs implementation *2900	0 / 0	10
	8253	P332D Theft of Blueprints graphs math *2400	0 / 0	9
	8224	P339C Xenia and Weights constructive algorithms dfs and similar dp graphs greedy shortest paths *1700	0 / 0	5
	8206	P343D Water Tree data structures dfs and similar graphs trees *2100	0 / 0	7
	8205	P343E Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees *2900	0 / 0	10
	8203	P344B Simple Molecules brute force graphs math *1200	0 / 0	4
	8199	P345D Chain Letter special problem dfs and similar graphs 2200	0 / 0	8
	8192	P346D Robot Control dp graphs shortest paths *2600	0 / 0	10
	8180	P350B Resort graphs *1500	0 / 0	5
	8177	P350E Wrong Floyd brute force constructive algorithms dfs and similar graphs *2200	0 / 0	8
	8146	P358E Dima and Kicks brute force dsu graphs implementation *2300	0 / 0	8
	8136	P360E Levko and Game graphs greedy shortest paths *2800	0 / 0	10
	8130	P362D Fools and Foolproof Roads data structures dfs and similar dsu graphs greedy *2100	0 / 0	7
	8129	P362E Petya and Pipes flows graphs shortest paths *2300	0 / 0	8
	8109	P367C Sereja and the Arrangement of Numbers graphs greedy sortings *2000	0 / 0	7
	8102	P369C Valera and Elections dfs and similar graphs trees *1600	0 / 0	5
	8101	P369D Valera and Fools dfs and similar dp graphs shortest paths *2200	0 / 0	8
	8099	P370A Rook, Bishop and King graphs math shortest paths *1100	0 / 0	3
	8080	P374C Inna and Dima dfs and similar dp graphs implementation *1900	0 / 0	6
	8055	P380B Sereja and Tree graphs implementation *2400	0 / 0	9
	8046	P382D Ksenia and Pawns dfs and similar graphs implementation trees *2200	0 / 0	8
	8029	P386D Game with Points dp graphs implementation shortest paths *2100	0 / 0	7
	8022	P388B Fox and Minimal path bitmasks constructive algorithms graphs implementation math *1900	0 / 0	6
	7985	P396C On Changing Tree data structures graphs trees	0 / 0	(None)
	7970	P400D Dima and Bacteria dsu graphs shortest paths *2000	0 / 0	7
	7961	P402C Searching for Graph brute force constructive algorithms graphs *1500	0 / 0	5
	7959	P402E Strictly Positive Matrix graphs math *2200	2 / 2	8
	7954	P404C Restore Graph dfs and similar graphs sortings *1800	0 / 0	6
	7947	P405E Graph Cutting dfs and similar graphs *2300	0 / 0	8
	7904	P416E President's Path dp graphs shortest paths *2500	0 / 0	9
	7901	P417C Football constructive algorithms graphs implementation *1400	0 / 0	4
	7898	P418D Big Problems for Organizers data structures graphs trees *2800	0 / 0	10
	7894	P420C Bug in Code data structures graphs implementation two pointers *1900	0 / 0	6
	7875	P427C Checkposts dfs and similar graphs two pointers *1700	1 / 1	5
	7868	P429E Points and Segments graphs *3000	0 / 0	10
	7841	P436C Dungeons and Candies dsu graphs greedy trees *1800	0 / 0	6
	7835	P437C The Child and Toy graphs greedy sortings *1400	2 / 2	4
	7818	P441D Valera and Swaps constructive algorithms dsu graphs implementation math string suffix structures *2100	0 / 0	7
	7789	P449B Jzzhu and Cities graphs greedy shortest paths *2000	2 / 2	7
	7770	P453C Little Pony and Summer Sun Celebration constructive algorithms dfs and similar graphs *2200	0 / 0	8
	7732	P463D Gargari and Permutations dfs and similar dp graphs implementation *1900	0 / 0	6
	7726	P464E The Classic Problem data structures graphs shortest paths *3000	0 / 0	10
	7719	P466E Information Graph dfs and similar dsu graphs trees *2100	0 / 0	7
	7715	P467D Fedor and Essay dfs and similar dp graphs hashing strings *2400	0 / 0	9
	7679	P475B Strongly Connected City brute force dfs and similar graphs implementation *1400	0 / 0	4
	7657	P480D Parcels dp graphs *2600	0 / 0	10
	7632	P487E Tourists data structures dfs and similar graphs trees *3200	1 / 1	10
	7626	P489D Unbearable Controversy of Being brute force combinatorics dfs and similar graphs *1700	0 / 0	5
	7583	P500A New Year Transportation dfs and similar graphs implementation *1000	0 / 0	3
	7582	P500B New Year Permutation dfs and similar dsu graphs greedy math sortings *1600	0 / 0	5
	7580	P500D New Year Santa Network combinatorics dfs and similar graphs trees *1900	0 / 0	6
	7568	P505B Mr dfs and similar dp dsu graphs *1400	0 / 0	4
	7564	P506D Mr brute force dfs and similar dsu graphs *2400	0 / 0	9
	7558	P507E Breaking Good dfs and similar dp graphs shortest paths *2100	0 / 0	7
	7554	P508D Tanya and Password dfs and similar graphs *2500	0 / 0	9
	7544	P510C Fox And Names dfs and similar graphs sortings *1600	0 / 0	5
	7480	P520B Two Buttons dfs and similar graphs greedy implementation math shortest paths *1400	1 / 1	4
	7475	P521E Cycling City dfs and similar graphs *3100	0 / 0	10
	7474	P522A Reposts special problem dfs and similar dp graphs trees 1200	0 / 0	4
	7459	P525D Arthur and Walls constructive algorithms data structures graphs greedy shortest paths *2400	0 / 0	9
	7446	P527E Data Center Drama dfs and similar graphs *2600	0 / 0	10
	7420	P533B Work Group dfs and similar dp graphs strings trees *2000	0 / 0	7

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