Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
22:29:25
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dsu

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Problems

#	Name
461D	Appleman and Complicated Task dsu, math	2800	x355
1578B	Building Forest Trails data structures, dsu	2800	x321
217E	Alien DNA data structures, dsu, trees	2800	x290
1725I	Imitating the Key Tree combinatorics, dsu, trees	2800	x184
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x125
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1598
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x857
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x556
325D	Reclamation dsu	2900	x484
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2900	x475
1051G	Distinctification data structures, dsu, greedy	2900	x361
1468B	Bakery data structures, dsu	2900	x200
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x1151
696E	...Wait for it... data structures, dsu, trees	3000	x479
1801E	Gasoline prices data structures, divide and conquer, dsu, hashing, trees	3000	x432
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x417
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x394
1797F	Li Hua and Path data structures, dfs and similar, divide and conquer, dsu, trees	3000	x328
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x235
896E	Welcome home, Chtholly data structures, dsu	3100	x1960
1628E	Groceries in Meteor Town binary search, data structures, dsu, trees	3100	x823
571D	Campus binary search, data structures, dsu, trees	3100	x647
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x582
1012E	Cycle sort dsu, math	3100	x268
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x177
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x586
1648E	Air Reform data structures, dfs and similar, divide and conquer, dsu, graphs, implementation, trees	3200	x384
1307F	Cow and Vacation dfs and similar, dsu, trees	3300	x566
1556G	Gates to Another World bitmasks, data structures, dsu, two pointers	3300	x306
1254E	Send Tree to Charlie combinatorics, dfs and similar, dsu, trees	3300	x259
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x232
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x182
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x130
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x938
1804G	Flow Control data structures, dsu, implementation	3500	x193
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x187
1434E	A Convex Game dsu, games	3500	x164

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